6463625 has 32 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 4329600.

The previous prime is 6463603. The next prime is 6463637. The reversal of 6463625 is 5263646.

6463625 = 95² + 96² + ... + 272².

It is a de Polignac number, because none of the positive numbers 2^k-6463625 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6463591 and 6463600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72581 + ... + 72669.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^6463625 is an apocalyptic number.

It is an amenable number.

6463625 is a deficient number, since it is larger than the sum of its proper divisors (2971255).

6463625 is an equidigital number, since it uses as much as digits as its factorization.

6463625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 6463625 is about 2542.3660240021. The cubic root of 6463625 is about 186.2767779765.

The spelling of 6463625 in words is "six million, four hundred sixty-three thousand, six hundred twenty-five".