517232961 has 24 divisors (see below), whose sum is σ = 855608000. Its totient is φ = 294951456.

The previous prime is 517232957. The next prime is 517232977. The reversal of 517232961 is 169232715.

It is not a de Polignac number, because 517232961 - 2² = 517232957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (517232921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23211 + ... + 39663.

Almost surely, 2^517232961 is an apocalyptic number.

It is an amenable number.

517232961 is a deficient number, since it is larger than the sum of its proper divisors (338375039).

517232961 is a wasteful number, since it uses less digits than its factorization.

517232961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965 (or 16962 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 517232961 is about 22742.7562313806. The cubic root of 517232961 is about 802.7162674468.

The spelling of 517232961 in words is "five hundred seventeen million, two hundred thirty-two thousand, nine hundred sixty-one".