97317215 has 32 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 71971200.

The previous prime is 97317203. The next prime is 97317223. The reversal of 97317215 is 51271379.

It is a happy number.

It is not a de Polignac number, because 97317215 - 2⁶ = 97317151 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 407066 + ... + 407304.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^97317215 is an apocalyptic number.

97317215 is a deficient number, since it is larger than the sum of its proper divisors (28757665).

97317215 is a wasteful number, since it uses less digits than its factorization.

97317215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its digits is 13230, while the sum is 35.

The square root of 97317215 is about 9864.9488087876. The cubic root of 97317215 is about 459.9704060987.

The spelling of 97317215 in words is "ninety-seven million, three hundred seventeen thousand, two hundred fifteen".