97870525 has 6 divisors (see below), whose sum is σ = 121359482. Its totient is φ = 78296400.

The previous prime is 97870523. The next prime is 97870561. The reversal of 97870525 is 52507879.

It can be written as a sum of positive squares in 3 ways, for example, as 6744409 + 91126116 = 2597^2 + 9546^2 .

It is not a de Polignac number, because 97870525 - 2¹ = 97870523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97870523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1957386 + ... + 1957435.

Almost surely, 2^97870525 is an apocalyptic number.

It is an amenable number.

97870525 is a deficient number, since it is larger than the sum of its proper divisors (23488957).

97870525 is a wasteful number, since it uses less digits than its factorization.

97870525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914831 (or 3914826 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 97870525 is about 9892.9533002031. The cubic root of 97870525 is about 460.8405001863.

The spelling of 97870525 in words is "ninety-seven million, eight hundred seventy thousand, five hundred twenty-five".