97156925 has 12 divisors (see below), whose sum is σ = 121111296. Its totient is φ = 77314800.

The previous prime is 97156907. The next prime is 97156949. The reversal of 97156925 is 52965179.

It is a happy number.

It is not a de Polignac number, because 97156925 - 2¹² = 97152829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5399 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (10092608).

Almost surely, 2^97156925 is an apocalyptic number.

It is an amenable number.

97156925 is a deficient number, since it is larger than the sum of its proper divisors (23954371).

97156925 is a wasteful number, since it uses less digits than its factorization.

97156925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20548 (or 20543 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 97156925 is about 9856.8212421652. The cubic root of 97156925 is about 459.7177301027.

The spelling of 97156925 in words is "ninety-seven million, one hundred fifty-six thousand, nine hundred twenty-five".