97560981 has 12 divisors (see below), whose sum is σ = 161053152. Its totient is φ = 55749096.

The previous prime is 97560979. The next prime is 97560997. The reversal of 97560981 is 18906579.

97560981 is a `hidden beast` number, since 9 + 7 + 560 + 9 + 81 = 666.

It is not a de Polignac number, because 97560981 - 2¹ = 97560979 is a prime.

It is a super-2 number, since 2×97560981² = 19036290027364722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97540981) 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 in 11 ways as a sum of consecutive naturals, for example, 774231 + ... + 774356.

It is an arithmetic number, because the mean of its divisors is an integer number (13421096).

Almost surely, 2^97560981 is an apocalyptic number.

It is an amenable number.

97560981 is a deficient number, since it is larger than the sum of its proper divisors (63492171).

97560981 is a wasteful number, since it uses less digits than its factorization.

97560981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548600 (or 1548597 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 97560981 is about 9877.2962393562. The cubic root of 97560981 is about 460.3541397022.

The spelling of 97560981 in words is "ninety-seven million, five hundred sixty thousand, nine hundred eighty-one".