630337025 has 12 divisors (see below), whose sum is σ = 785941884. Its totient is φ = 501480000.

The previous prime is 630337021. The next prime is 630337039. The reversal of 630337025 is 520733036.

It can be written as a sum of positive squares in 6 ways, for example, as 30283009 + 600054016 = 5503^2 + 24496^2 .

It is not a de Polignac number, because 630337025 - 2² = 630337021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630337021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65126 + ... + 74175.

It is an arithmetic number, because the mean of its divisors is an integer number (65495157).

Almost surely, 2^630337025 is an apocalyptic number.

It is an amenable number.

630337025 is a deficient number, since it is larger than the sum of its proper divisors (155604859).

630337025 is a wasteful number, since it uses less digits than its factorization.

630337025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139492 (or 139487 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 630337025 is about 25106.5135970728. The cubic root of 630337025 is about 857.4147280108.

The spelling of 630337025 in words is "six hundred thirty million, three hundred thirty-seven thousand, twenty-five".