997210052 has 48 divisors (see below), whose sum is σ = 1824342912. Its totient is φ = 476636160.

The previous prime is 997210043. The next prime is 997210063. The reversal of 997210052 is 250012799.

It is a junction number, because it is equal to n+sod(n) for n = 997209994 and 997210021.

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, 1459703 + ... + 1460385.

It is an arithmetic number, because the mean of its divisors is an integer number (38007144).

Almost surely, 2^997210052 is an apocalyptic number.

It is an amenable number.

997210052 is a deficient number, since it is larger than the sum of its proper divisors (827132860).

997210052 is a wasteful number, since it uses less digits than its factorization.

997210052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 997210052 is about 31578.6328393108. The cubic root of 997210052 is about 999.0691511226.

The spelling of 997210052 in words is "nine hundred ninety-seven million, two hundred ten thousand, fifty-two".