232809261 has 12 divisors (see below), whose sum is σ = 327611232. Its totient is φ = 147036744.

The previous prime is 232809257. The next prime is 232809263. The reversal of 232809261 is 162908232.

It is a happy number.

232809261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232809261 - 2² = 232809257 is a prime.

It is a super-2 number, since 2×232809261² = 108400304014732242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232809263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106401 + ... + 108566.

It is an arithmetic number, because the mean of its divisors is an integer number (27300936).

Almost surely, 2^232809261 is an apocalyptic number.

It is an amenable number.

232809261 is a deficient number, since it is larger than the sum of its proper divisors (94801971).

232809261 is a wasteful number, since it uses less digits than its factorization.

232809261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215008 (or 214989 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 232809261 is about 15258.0883796103. The cubic root of 232809261 is about 615.1769918239.

The spelling of 232809261 in words is "two hundred thirty-two million, eight hundred nine thousand, two hundred sixty-one".