97315115 has 4 divisors (see below), whose sum is σ = 116778144. Its totient is φ = 77852088.

The previous prime is 97315111. The next prime is 97315117. The reversal of 97315115 is 51151379.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51151379 = 23 ⋅2223973.

It is a cyclic number.

It is not a de Polignac number, because 97315115 - 2² = 97315111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97315111) 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, 9731507 + ... + 9731516.

It is an arithmetic number, because the mean of its divisors is an integer number (29194536).

Almost surely, 2^97315115 is an apocalyptic number.

97315115 is a deficient number, since it is larger than the sum of its proper divisors (19463029).

97315115 is a wasteful number, since it uses less digits than its factorization.

97315115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19463028.

The product of its digits is 4725, while the sum is 32.

The square root of 97315115 is about 9864.8423707630. The cubic root of 97315115 is about 459.9670975206.

The spelling of 97315115 in words is "ninety-seven million, three hundred fifteen thousand, one hundred fifteen".