630106225 has 12 divisors (see below), whose sum is σ = 892950784. Its totient is φ = 432072720.

The previous prime is 630106181. The next prime is 630106231. The reversal of 630106225 is 522601036.

It is not a de Polignac number, because 630106225 - 2²¹ = 628009073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630106225.

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, 1800129 + ... + 1800478.

Almost surely, 2^630106225 is an apocalyptic number.

It is an amenable number.

630106225 is a deficient number, since it is larger than the sum of its proper divisors (262844559).

630106225 is a wasteful number, since it uses less digits than its factorization.

630106225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600624 (or 3600619 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 630106225 is about 25101.9167594827. The cubic root of 630106225 is about 857.3100668168.

The spelling of 630106225 in words is "six hundred thirty million, one hundred six thousand, two hundred twenty-five".