97281532 has 6 divisors (see below), whose sum is σ = 170242688. Its totient is φ = 48640764.

The previous prime is 97281529. The next prime is 97281551. The reversal of 97281532 is 23518279.

It is a junction number, because it is equal to n+sod(n) for n = 97281491 and 97281500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12160188 + ... + 12160195.

Almost surely, 2^97281532 is an apocalyptic number.

It is an amenable number.

97281532 is a deficient number, since it is larger than the sum of its proper divisors (72961156).

97281532 is a wasteful number, since it uses less digits than its factorization.

97281532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320387 (or 24320385 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 97281532 is about 9863.1400679500. The cubic root of 97281532 is about 459.9141805875.

The spelling of 97281532 in words is "ninety-seven million, two hundred eighty-one thousand, five hundred thirty-two".