97251580 has 12 divisors (see below), whose sum is σ = 204228360. Its totient is φ = 38900624.

The previous prime is 97251569. The next prime is 97251589. The reversal of 97251580 is 8515279.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97251589) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2431270 + ... + 2431309.

It is an arithmetic number, because the mean of its divisors is an integer number (17019030).

Almost surely, 2^97251580 is an apocalyptic number.

It is an amenable number.

97251580 is an abundant number, since it is smaller than the sum of its proper divisors (106976780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97251580 is a wasteful number, since it uses less digits than its factorization.

97251580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862588 (or 4862586 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 97251580 is about 9861.6215705126. The cubic root of 97251580 is about 459.8669747673.

The spelling of 97251580 in words is "ninety-seven million, two hundred fifty-one thousand, five hundred eighty".