897312633 has 16 divisors (see below), whose sum is σ = 1368057216. Its totient is φ = 512478720.

The previous prime is 897312629. The next prime is 897312653. The reversal of 897312633 is 336213798.

It is a happy number.

It is not a de Polignac number, because 897312633 - 2² = 897312629 is a prime.

It is a super-2 number, since 2×897312633² = 1610339922682785378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (897312653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33435 + ... + 53967.

It is an arithmetic number, because the mean of its divisors is an integer number (85503576).

Almost surely, 2^897312633 is an apocalyptic number.

It is an amenable number.

897312633 is a deficient number, since it is larger than the sum of its proper divisors (470744583).

897312633 is a wasteful number, since it uses less digits than its factorization.

897312633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22624.

The product of its digits is 163296, while the sum is 42.

The square root of 897312633 is about 29955.1770650751. The cubic root of 897312633 is about 964.5274545731.

The spelling of 897312633 in words is "eight hundred ninety-seven million, three hundred twelve thousand, six hundred thirty-three".