232455513 has 4 divisors (see below), whose sum is σ = 309940688. Its totient is φ = 154970340.

The previous prime is 232455511. The next prime is 232455521. The reversal of 232455513 is 315554232.

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 not a de Polignac number, because 232455513 - 2¹ = 232455511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232455511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38742583 + ... + 38742588.

It is an arithmetic number, because the mean of its divisors is an integer number (77485172).

Almost surely, 2^232455513 is an apocalyptic number.

It is an amenable number.

232455513 is a deficient number, since it is larger than the sum of its proper divisors (77485175).

232455513 is an equidigital number, since it uses as much as digits as its factorization.

232455513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77485174.

The product of its digits is 18000, while the sum is 30.

The square root of 232455513 is about 15246.4918259907. The cubic root of 232455513 is about 614.8652517264.

The spelling of 232455513 in words is "two hundred thirty-two million, four hundred fifty-five thousand, five hundred thirteen".