97255641 has 12 divisors (see below), whose sum is σ = 150845712. Its totient is φ = 55574568.

The previous prime is 97255619. The next prime is 97255663. The reversal of 97255641 is 14655279.

It is an interprime number because it is at equal distance from previous prime (97255619) and next prime (97255663).

It is not a de Polignac number, because 97255641 - 2¹⁸ = 96993497 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97255641.

It is not an unprimeable number, because it can be changed into a prime (97255441) 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 in 11 ways as a sum of consecutive naturals, for example, 330655 + ... + 330948.

It is an arithmetic number, because the mean of its divisors is an integer number (12570476).

Almost surely, 2^97255641 is an apocalyptic number.

It is an amenable number.

97255641 is a deficient number, since it is larger than the sum of its proper divisors (53590071).

97255641 is a wasteful number, since it uses less digits than its factorization.

97255641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661620 (or 661613 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 97255641 is about 9861.8274675640. The cubic root of 97255641 is about 459.8733756703.

The spelling of 97255641 in words is "ninety-seven million, two hundred fifty-five thousand, six hundred forty-one".