232513013 has 4 divisors (see below), whose sum is σ = 244750560. Its totient is φ = 220275468.

The previous prime is 232512991. The next prime is 232513019. The reversal of 232513013 is 310315232.

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 232513013 - 2¹² = 232508917 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 (232513019) 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, 6118745 + ... + 6118782.

It is an arithmetic number, because the mean of its divisors is an integer number (61187640).

Almost surely, 2^232513013 is an apocalyptic number.

It is an amenable number.

232513013 is a deficient number, since it is larger than the sum of its proper divisors (12237547).

232513013 is a wasteful number, since it uses less digits than its factorization.

232513013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12237546.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 232513013 is about 15248.3773890864. The cubic root of 232513013 is about 614.9159450638.

Adding to 232513013 its reverse (310315232), we get a palindrome (542828245).

The spelling of 232513013 in words is "two hundred thirty-two million, five hundred thirteen thousand, thirteen".