264242613 has 4 divisors (see below), whose sum is σ = 352323488. Its totient is φ = 176161740.

The previous prime is 264242609. The next prime is 264242621. The reversal of 264242613 is 316242462.

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 264242613 - 2² = 264242609 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 (264242623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44040433 + ... + 44040438.

It is an arithmetic number, because the mean of its divisors is an integer number (88080872).

Almost surely, 2^264242613 is an apocalyptic number.

It is an amenable number.

264242613 is a deficient number, since it is larger than the sum of its proper divisors (88080875).

264242613 is an equidigital number, since it uses as much as digits as its factorization.

264242613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88080874.

The product of its digits is 13824, while the sum is 30.

The square root of 264242613 is about 16255.5409937658. The cubic root of 264242613 is about 641.7033183390.

The spelling of 264242613 in words is "two hundred sixty-four million, two hundred forty-two thousand, six hundred thirteen".