6451003625 has 32 divisors (see below), whose sum is σ = 8804989440. Its totient is φ = 4679760000.

The previous prime is 6451003553. The next prime is 6451003627. The reversal of 6451003625 is 5263001546.

It is not a de Polignac number, because 6451003625 - 2⁸ = 6451003369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6451003591 and 6451003600.

It is not an unprimeable number, because it can be changed into a prime (6451003627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556640 + ... + 568110.

It is an arithmetic number, because the mean of its divisors is an integer number (275155920).

Almost surely, 2^6451003625 is an apocalyptic number.

It is an amenable number.

6451003625 is a deficient number, since it is larger than the sum of its proper divisors (2353985815).

6451003625 is a wasteful number, since it uses less digits than its factorization.

6451003625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906 (or 11896 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 6451003625 is about 80318.1400743319. The cubic root of 6451003625 is about 1861.5545281584.

The spelling of 6451003625 in words is "six billion, four hundred fifty-one million, three thousand, six hundred twenty-five".