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10325981 is a prime number
BaseRepresentation
bin100111011000…
…111111011101
3201102121120202
4213120333131
510120412411
61005153245
7153524621
oct47307735
921377522
1010325981
115913076
12355b825
1321a7063
14152b181
15d8e83b
hex9d8fdd

10325981 has 2 divisors, whose sum is σ = 10325982. Its totient is φ = 10325980.

The previous prime is 10325969. The next prime is 10326013. The reversal of 10325981 is 18952301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6205081 + 4120900 = 2491^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 10325981 - 214 = 10309597 is a prime.

It is a super-2 number, since 2×103259812 = 213251767224722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10325921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5162990 + 5162991.

It is an arithmetic number, because the mean of its divisors is an integer number (5162991).

Almost surely, 210325981 is an apocalyptic number.

It is an amenable number.

10325981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10325981 is an equidigital number, since it uses as much as digits as its factorization.

10325981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10325981 is about 3213.4064479925. The cubic root of 10325981 is about 217.7594982594.

The spelling of 10325981 in words is "ten million, three hundred twenty-five thousand, nine hundred eighty-one".