97817313 has 8 divisors (see below), whose sum is σ = 142279776. Its totient is φ = 59283200.

The previous prime is 97817311. The next prime is 97817323. The reversal of 97817313 is 31371879.

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 97817313 - 2¹ = 97817311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97817311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482048 + ... + 1482113.

It is an arithmetic number, because the mean of its divisors is an integer number (17784972).

Almost surely, 2^97817313 is an apocalyptic number.

It is an amenable number.

97817313 is a deficient number, since it is larger than the sum of its proper divisors (44462463).

97817313 is a wasteful number, since it uses less digits than its factorization.

97817313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964175.

The product of its digits is 31752, while the sum is 39.

The square root of 97817313 is about 9890.2635455280. The cubic root of 97817313 is about 460.7569657062.

The spelling of 97817313 in words is "ninety-seven million, eight hundred seventeen thousand, three hundred thirteen".