97521242 has 32 divisors (see below), whose sum is σ = 187875072. Its totient is φ = 36900864.

The previous prime is 97521187. The next prime is 97521251. The reversal of 97521242 is 24212579.

It is a junction number, because it is equal to n+sod(n) for n = 97521199 and 97521208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7463 + ... + 15834.

It is an arithmetic number, because the mean of its divisors is an integer number (5871096).

Almost surely, 2^97521242 is an apocalyptic number.

97521242 is a deficient number, since it is larger than the sum of its proper divisors (90353830).

97521242 is a wasteful number, since it uses less digits than its factorization.

97521242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342.

The product of its digits is 10080, while the sum is 32.

The square root of 97521242 is about 9875.2844009679. The cubic root of 97521242 is about 460.2916266723.

The spelling of 97521242 in words is "ninety-seven million, five hundred twenty-one thousand, two hundred forty-two".