97260561 has 8 divisors (see below), whose sum is σ = 144089760. Its totient is φ = 64840356.

The previous prime is 97260551. The next prime is 97260593. The reversal of 97260561 is 16506279.

97260561 is a `hidden beast` number, since 97 + 2 + 6 + 0 + 561 = 666.

It is not a de Polignac number, because 97260561 - 2²⁵ = 63706129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97260511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801095 + ... + 1801148.

It is an arithmetic number, because the mean of its divisors is an integer number (18011220).

Almost surely, 2^97260561 is an apocalyptic number.

It is an amenable number.

97260561 is a deficient number, since it is larger than the sum of its proper divisors (46829199).

97260561 is a wasteful number, since it uses less digits than its factorization.

97260561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602252 (or 3602246 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 97260561 is about 9862.0769110771. The cubic root of 97260561 is about 459.8811302808.

The spelling of 97260561 in words is "ninety-seven million, two hundred sixty thousand, five hundred sixty-one".