232557401 has 4 divisors (see below), whose sum is σ = 232642212. Its totient is φ = 232472592.

The previous prime is 232557361. The next prime is 232557419. The reversal of 232557401 is 104755232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22278400 + 210279001 = 4720^2 + 14501^2 .

It is a cyclic number.

It is not a de Polignac number, because 232557401 - 2²⁶ = 165448537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232557431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38150 + ... + 43823.

It is an arithmetic number, because the mean of its divisors is an integer number (58160553).

Almost surely, 2^232557401 is an apocalyptic number.

It is an amenable number.

232557401 is a deficient number, since it is larger than the sum of its proper divisors (84811).

232557401 is an equidigital number, since it uses as much as digits as its factorization.

232557401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84810.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 232557401 is about 15249.8328187558. The cubic root of 232557401 is about 614.9550728412.

The spelling of 232557401 in words is "two hundred thirty-two million, five hundred fifty-seven thousand, four hundred one".