97613021 has 8 divisors (see below), whose sum is σ = 106680288. Its totient is φ = 88578000.

The previous prime is 97612987. The next prime is 97613027. The reversal of 97613021 is 12031679.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97613021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97613027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (13335036).

Almost surely, 2^97613021 is an apocalyptic number.

It is an amenable number.

97613021 is a deficient number, since it is larger than the sum of its proper divisors (9067267).

97613021 is a wasteful number, since it uses less digits than its factorization.

97613021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 97613021 is about 9879.9302123041. The cubic root of 97613021 is about 460.4359776489.

The spelling of 97613021 in words is "ninety-seven million, six hundred thirteen thousand, twenty-one".