5256135605 has 64 divisors (see below), whose sum is σ = 7700410368. Its totient is φ = 3366696960.

The previous prime is 5256135601. The next prime is 5256135607. The reversal of 5256135605 is 5065316525.

It is not a de Polignac number, because 5256135605 - 2² = 5256135601 is a prime.

It is a super-2 number, since 2×5256135605² = 55253922996297432050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256135601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6480650 + ... + 6481460.

It is an arithmetic number, because the mean of its divisors is an integer number (120318912).

Almost surely, 2^5256135605 is an apocalyptic number.

It is an amenable number.

5256135605 is a deficient number, since it is larger than the sum of its proper divisors (2444274763).

5256135605 is a wasteful number, since it uses less digits than its factorization.

5256135605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 5256135605 is about 72499.2110646730. The cubic root of 5256135605 is about 1738.6901231878.

The spelling of 5256135605 in words is "five billion, two hundred fifty-six million, one hundred thirty-five thousand, six hundred five".