97531250 has 28 divisors (see below), whose sum is σ = 182927346. Its totient is φ = 39000000.

The previous prime is 97531241. The next prime is 97531271. The reversal of 97531250 is 5213579.

It can be written as a sum of positive squares in 7 ways, for example, as 84621601 + 12909649 = 9199^2 + 3593^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 29690 + ... + 32810.

Almost surely, 2^97531250 is an apocalyptic number.

97531250 is a deficient number, since it is larger than the sum of its proper divisors (85396096).

97531250 is an frugal number, since it uses more digits than its factorization.

97531250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 97531250 is about 9875.7911075518. The cubic root of 97531250 is about 460.3073717583.

The spelling of 97531250 in words is "ninety-seven million, five hundred thirty-one thousand, two hundred fifty".