232516401 has 16 divisors (see below), whose sum is σ = 335724480. Its totient is φ = 142292160.

The previous prime is 232516397. The next prime is 232516447. The reversal of 232516401 is 104615232.

It is not a de Polignac number, because 232516401 - 2² = 232516397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232516451) 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, 9411 + ... + 23528.

It is an arithmetic number, because the mean of its divisors is an integer number (20982780).

Almost surely, 2^232516401 is an apocalyptic number.

It is an amenable number.

232516401 is a deficient number, since it is larger than the sum of its proper divisors (103208079).

232516401 is a wasteful number, since it uses less digits than its factorization.

232516401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33136.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 232516401 is about 15248.4884824693. The cubic root of 232516401 is about 614.9189317426.

The spelling of 232516401 in words is "two hundred thirty-two million, five hundred sixteen thousand, four hundred one".