97375251 has 4 divisors (see below), whose sum is σ = 129833672. Its totient is φ = 64916832.

The previous prime is 97375249. The next prime is 97375253. The reversal of 97375251 is 15257379.

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

It is an interprime number because it is at equal distance from previous prime (97375249) and next prime (97375253).

It is not a de Polignac number, because 97375251 - 2¹ = 97375249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97375253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16229206 + ... + 16229211.

It is an arithmetic number, because the mean of its divisors is an integer number (32458418).

Almost surely, 2^97375251 is an apocalyptic number.

97375251 is a deficient number, since it is larger than the sum of its proper divisors (32458421).

97375251 is a wasteful number, since it uses less digits than its factorization.

97375251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458420.

The product of its digits is 66150, while the sum is 39.

The square root of 97375251 is about 9867.8898960213. The cubic root of 97375251 is about 460.0618237636.

The spelling of 97375251 in words is "ninety-seven million, three hundred seventy-five thousand, two hundred fifty-one".