97531950 has 24 divisors (see below), whose sum is σ = 241879608. Its totient is φ = 26008480.

The previous prime is 97531943. The next prime is 97531961. The reversal of 97531950 is 5913579.

It is a junction number, because it is equal to n+sod(n) for n = 97531899 and 97531908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324957 + ... + 325256.

It is an arithmetic number, because the mean of its divisors is an integer number (10078317).

Almost surely, 2^97531950 is an apocalyptic number.

97531950 is an abundant number, since it is smaller than the sum of its proper divisors (144347658).

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

97531950 is a wasteful number, since it uses less digits than its factorization.

97531950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650228 (or 650223 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 97531950 is about 9875.8265476870. The cubic root of 97531950 is about 460.3084729930.

The spelling of 97531950 in words is "ninety-seven million, five hundred thirty-one thousand, nine hundred fifty".