97952913 has 12 divisors (see below), whose sum is σ = 141681540. Its totient is φ = 65212416.

The previous prime is 97952909. The next prime is 97952927. The reversal of 97952913 is 31925979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37859409 + 60093504 = 6153^2 + 7752^2 .

It is not a de Polignac number, because 97952913 - 2² = 97952909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97952903) 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, 156 + ... + 13997.

It is an arithmetic number, because the mean of its divisors is an integer number (11806795).

Almost surely, 2^97952913 is an apocalyptic number.

It is an amenable number.

97952913 is a deficient number, since it is larger than the sum of its proper divisors (43728627).

97952913 is a wasteful number, since it uses less digits than its factorization.

97952913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14928 (or 14925 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 97952913 is about 9897.1163982243. The cubic root of 97952913 is about 460.9697766914.

The spelling of 97952913 in words is "ninety-seven million, nine hundred fifty-two thousand, nine hundred thirteen".