97137285 has 16 divisors (see below), whose sum is σ = 177622656. Its totient is φ = 44405568.

The previous prime is 97137281. The next prime is 97137311. The reversal of 97137285 is 58273179.

It is not a de Polignac number, because 97137285 - 2² = 97137281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97137281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462454 + ... + 462663.

It is an arithmetic number, because the mean of its divisors is an integer number (11101416).

Almost surely, 2^97137285 is an apocalyptic number.

It is an amenable number.

97137285 is a deficient number, since it is larger than the sum of its proper divisors (80485371).

97137285 is a wasteful number, since it uses less digits than its factorization.

97137285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925132.

The product of its digits is 105840, while the sum is 42.

The square root of 97137285 is about 9855.8249274224. The cubic root of 97137285 is about 459.6867511318.

The spelling of 97137285 in words is "ninety-seven million, one hundred thirty-seven thousand, two hundred eighty-five".