6385013825 has 12 divisors (see below), whose sum is σ = 7918412460. Its totient is φ = 5107368960.

The previous prime is 6385013759. The next prime is 6385013849. The reversal of 6385013825 is 5283105836.

It can be written as a sum of positive squares in 6 ways, for example, as 2053267969 + 4331745856 = 45313^2 + 65816^2 .

It is not a de Polignac number, because 6385013825 - 2¹⁴ = 6384997441 is a prime.

It is a super-2 number, since 2×6385013825² = 81536803090882261250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354641 + ... + 372209.

It is an arithmetic number, because the mean of its divisors is an integer number (659867705).

Almost surely, 2^6385013825 is an apocalyptic number.

It is an amenable number.

6385013825 is a deficient number, since it is larger than the sum of its proper divisors (1533398635).

6385013825 is a wasteful number, since it uses less digits than its factorization.

6385013825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116 (or 32111 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 6385013825 is about 79906.2815115307. The cubic root of 6385013825 is about 1855.1852412226.

The spelling of 6385013825 in words is "six billion, three hundred eighty-five million, thirteen thousand, eight hundred twenty-five".