97525973 has 2 divisors, whose sum is σ = 97525974. Its totient is φ = 97525972.

The previous prime is 97525949. The next prime is 97525979. The reversal of 97525973 is 37952579.

97525973 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86081284 + 11444689 = 9278^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 97525973 - 2¹⁶ = 97460437 is a prime.

It is a super-2 number, since 2×97525973² = 19022630819193458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97525979) 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, 48762986 + 48762987.

It is an arithmetic number, because the mean of its divisors is an integer number (48762987).

Almost surely, 2^97525973 is an apocalyptic number.

It is an amenable number.

97525973 is a deficient number, since it is larger than the sum of its proper divisors (1).

97525973 is an equidigital number, since it uses as much as digits as its factorization.

97525973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595350, while the sum is 47.

The square root of 97525973 is about 9875.5239354679. The cubic root of 97525973 is about 460.2990698523.

The spelling of 97525973 in words is "ninety-seven million, five hundred twenty-five thousand, nine hundred seventy-three".