6301640725 has 12 divisors (see below), whose sum is σ = 7815043456. Its totient is φ = 5040661680.

The previous prime is 6301640707. The next prime is 6301640729. The reversal of 6301640725 is 5270461036.

It is a happy number.

It is not a de Polignac number, because 6301640725 - 2¹⁷ = 6301509653 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 (6301640729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307654 + ... + 327496.

Almost surely, 2^6301640725 is an apocalyptic number.

It is an amenable number.

6301640725 is a deficient number, since it is larger than the sum of its proper divisors (1513402731).

6301640725 is a wasteful number, since it uses less digits than its factorization.

6301640725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32556 (or 32551 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 6301640725 is about 79382.8742550936. The cubic root of 6301640725 is about 1847.0750687643.

The spelling of 6301640725 in words is "six billion, three hundred one million, six hundred forty thousand, seven hundred twenty-five".