630976225 has 48 divisors (see below), whose sum is σ = 904495680. Its totient is φ = 431827200.

The previous prime is 630976223. The next prime is 630976261. The reversal of 630976225 is 522679036.

It is not a de Polignac number, because 630976225 - 2¹ = 630976223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630976223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1029019 + ... + 1029631.

It is an arithmetic number, because the mean of its divisors is an integer number (18843660).

Almost surely, 2^630976225 is an apocalyptic number.

It is an amenable number.

630976225 is a deficient number, since it is larger than the sum of its proper divisors (273519455).

630976225 is a wasteful number, since it uses less digits than its factorization.

630976225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 630976225 is about 25119.2401358003. The cubic root of 630976225 is about 857.7044536240.

The spelling of 630976225 in words is "six hundred thirty million, nine hundred seventy-six thousand, two hundred twenty-five".