232561901 has 16 divisors (see below), whose sum is σ = 285102720. Its totient is φ = 186669120.

The previous prime is 232561897. The next prime is 232561913. The reversal of 232561901 is 109165232.

It is not a de Polignac number, because 232561901 - 2² = 232561897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232561981) 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, 32066 + ... + 38643.

It is an arithmetic number, because the mean of its divisors is an integer number (17818920).

Almost surely, 2^232561901 is an apocalyptic number.

It is an amenable number.

232561901 is a deficient number, since it is larger than the sum of its proper divisors (52540819).

232561901 is a wasteful number, since it uses less digits than its factorization.

232561901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70756.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 232561901 is about 15249.9803606431. The cubic root of 232561901 is about 614.9590392884.

The spelling of 232561901 in words is "two hundred thirty-two million, five hundred sixty-one thousand, nine hundred one".