97531442 has 4 divisors (see below), whose sum is σ = 146297166. Its totient is φ = 48765720.

The previous prime is 97531433. The next prime is 97531453. The reversal of 97531442 is 24413579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 31125241 = 8149^2 + 5579^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24382859 + ... + 24382862.

Almost surely, 2^97531442 is an apocalyptic number.

97531442 is a deficient number, since it is larger than the sum of its proper divisors (48765724).

97531442 is a wasteful number, since it uses less digits than its factorization.

97531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48765723.

The product of its digits is 30240, while the sum is 35.

The square root of 97531442 is about 9875.8008282873. The cubic root of 97531442 is about 460.3076738117.

The spelling of 97531442 in words is "ninety-seven million, five hundred thirty-one thousand, four hundred forty-two".