232660537 has 4 divisors (see below), whose sum is σ = 235463760. Its totient is φ = 229857316.

The previous prime is 232660531. The next prime is 232660621. The reversal of 232660537 is 735066232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232660537 - 2⁷ = 232660409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232660531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401487 + ... + 1401652.

It is an arithmetic number, because the mean of its divisors is an integer number (58865940).

Almost surely, 2^232660537 is an apocalyptic number.

It is an amenable number.

232660537 is a deficient number, since it is larger than the sum of its proper divisors (2803223).

232660537 is an equidigital number, since it uses as much as digits as its factorization.

232660537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803222.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 232660537 is about 15253.2139891893. The cubic root of 232660537 is about 615.0459674369.

The spelling of 232660537 in words is "two hundred thirty-two million, six hundred sixty thousand, five hundred thirty-seven".