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925111081 is a prime number
BaseRepresentation
bin110111001001000…
…001001100101001
32101110202111211101
4313021001030221
53343312023311
6231444201401
731632212566
oct6711011451
92343674741
10925111081
11435223714
12219999261
1311987930b
148ac1586d
155633bec1
hex37241329

925111081 has 2 divisors, whose sum is σ = 925111082. Its totient is φ = 925111080.

The previous prime is 925111079. The next prime is 925111087. The reversal of 925111081 is 180111529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917181225 + 7929856 = 30285^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 925111081 - 21 = 925111079 is a prime.

It is a super-3 number, since 3×9251110813 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 925111079, it forms a pair of twin primes.

It is equal to p47227051 and since 925111081 and 47227051 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (925111087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462555540 + 462555541.

It is an arithmetic number, because the mean of its divisors is an integer number (462555541).

Almost surely, 2925111081 is an apocalyptic number.

It is an amenable number.

925111081 is a deficient number, since it is larger than the sum of its proper divisors (1).

925111081 is an equidigital number, since it uses as much as digits as its factorization.

925111081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The square root of 925111081 is about 30415.6387570605. The cubic root of 925111081 is about 974.3865809698.

The spelling of 925111081 in words is "nine hundred twenty-five million, one hundred eleven thousand, eighty-one".