97150321 has 12 divisors (see below), whose sum is σ = 102601408. Its totient is φ = 91972584.

The previous prime is 97150307. The next prime is 97150337. The reversal of 97150321 is 12305179.

It is not a de Polignac number, because 97150321 - 2⁵ = 97150289 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97150321.

It is not an unprimeable number, because it can be changed into a prime (97150351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53596 + ... + 55378.

Almost surely, 2^97150321 is an apocalyptic number.

It is an amenable number.

97150321 is a deficient number, since it is larger than the sum of its proper divisors (5451087).

97150321 is a wasteful number, since it uses less digits than its factorization.

97150321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 97150321 is about 9856.4862400350. The cubic root of 97150321 is about 459.7073138108.

The spelling of 97150321 in words is "ninety-seven million, one hundred fifty thousand, three hundred twenty-one".