97525457 has 2 divisors, whose sum is σ = 97525458. Its totient is φ = 97525456.

The previous prime is 97525453. The next prime is 97525489. The reversal of 97525457 is 75452579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92467456 + 5058001 = 9616^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 97525457 - 2² = 97525453 is a prime.

It is a super-2 number, since 2×97525457² = 19022429526117698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97525453) 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, 48762728 + 48762729.

It is an arithmetic number, because the mean of its divisors is an integer number (48762729).

Almost surely, 2^97525457 is an apocalyptic number.

It is an amenable number.

97525457 is a deficient number, since it is larger than the sum of its proper divisors (1).

97525457 is an equidigital number, since it uses as much as digits as its factorization.

97525457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 44.

The square root of 97525457 is about 9875.4978102372. The cubic root of 97525457 is about 460.2982580523.

The spelling of 97525457 in words is "ninety-seven million, five hundred twenty-five thousand, four hundred fifty-seven".