97502631 has 4 divisors (see below), whose sum is σ = 130003512. Its totient is φ = 65001752.

The previous prime is 97502617. The next prime is 97502653. The reversal of 97502631 is 13620579.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97502631 - 2¹⁸ = 97240487 is a prime.

It is a super-2 number, since 2×97502631² = 19013526103844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97502592 and 97502601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97502131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16250436 + ... + 16250441.

It is an arithmetic number, because the mean of its divisors is an integer number (32500878).

Almost surely, 2^97502631 is an apocalyptic number.

97502631 is a deficient number, since it is larger than the sum of its proper divisors (32500881).

97502631 is a wasteful number, since it uses less digits than its factorization.

97502631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32500880.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 97502631 is about 9874.3420540307. The cubic root of 97502631 is about 460.2623440521.

The spelling of 97502631 in words is "ninety-seven million, five hundred two thousand, six hundred thirty-one".