97315255 has 8 divisors (see below), whose sum is σ = 116891712. Its totient is φ = 77776608.

The previous prime is 97315247. The next prime is 97315297. The reversal of 97315255 is 55251379.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97315255 - 2³ = 97315247 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3439 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (14611464).

Almost surely, 2^97315255 is an apocalyptic number.

97315255 is a deficient number, since it is larger than the sum of its proper divisors (19576457).

97315255 is a wasteful number, since it uses less digits than its factorization.

97315255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905.

The product of its digits is 47250, while the sum is 37.

The square root of 97315255 is about 9864.8494666670. The cubic root of 97315255 is about 459.9673180940.

The spelling of 97315255 in words is "ninety-seven million, three hundred fifteen thousand, two hundred fifty-five".