1264425013 has 16 divisors (see below), whose sum is σ = 1329958656. Its totient is φ = 1200890880.

The previous prime is 1264425007. The next prime is 1264425059. The reversal of 1264425013 is 3105244621.

It is a cyclic number.

It is not a de Polignac number, because 1264425013 - 2⁵ = 1264424981 is a prime.

It is a super-2 number, since 2×1264425013² = 3197541227000100338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264425073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268245 + ... + 272917.

It is an arithmetic number, because the mean of its divisors is an integer number (83122416).

Almost surely, 2^1264425013 is an apocalyptic number.

It is an amenable number.

1264425013 is a deficient number, since it is larger than the sum of its proper divisors (65533643).

1264425013 is a wasteful number, since it uses less digits than its factorization.

1264425013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1264425013 is about 35558.7543791961. The cubic root of 1264425013 is about 1081.3452067680.

Adding to 1264425013 its reverse (3105244621), we get a palindrome (4369669634).

The spelling of 1264425013 in words is "one billion, two hundred sixty-four million, four hundred twenty-five thousand, thirteen".