75925081 has 2 divisors, whose sum is σ = 75925082. Its totient is φ = 75925080.

The previous prime is 75925079. The next prime is 75925117. The reversal of 75925081 is 18052957.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75846681 + 78400 = 8709^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 75925081 - 2¹ = 75925079 is a prime.

It is a super-2 number, since 2×75925081² = 11529235849713122, which contains 22 as substring.

Together with 75925079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75925081.

It is not a weakly prime, because it can be changed into another prime (75925021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37962540 + 37962541.

It is an arithmetic number, because the mean of its divisors is an integer number (37962541).

Almost surely, 2^75925081 is an apocalyptic number.

It is an amenable number.

75925081 is a deficient number, since it is larger than the sum of its proper divisors (1).

75925081 is an equidigital number, since it uses as much as digits as its factorization.

75925081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 75925081 is about 8713.4999282722. The cubic root of 75925081 is about 423.4431268462.

The spelling of 75925081 in words is "seventy-five million, nine hundred twenty-five thousand, eighty-one".