264481013 has 4 divisors (see below), whose sum is σ = 265510380. Its totient is φ = 263451648.

The previous prime is 264480989. The next prime is 264481027. The reversal of 264481013 is 310184462.

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 231739729 + 32741284 = 15223^2 + 5722^2 .

It is a cyclic number.

It is not a de Polignac number, because 264481013 - 2⁸ = 264480757 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 (264481043) 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, 514298 + ... + 514811.

It is an arithmetic number, because the mean of its divisors is an integer number (66377595).

Almost surely, 2^264481013 is an apocalyptic number.

It is an amenable number.

264481013 is a deficient number, since it is larger than the sum of its proper divisors (1029367).

264481013 is a wasteful number, since it uses less digits than its factorization.

264481013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029366.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 264481013 is about 16262.8722247947. The cubic root of 264481013 is about 641.8962421644.

The spelling of 264481013 in words is "two hundred sixty-four million, four hundred eighty-one thousand, thirteen".