630100025 has 6 divisors (see below), whose sum is σ = 781324062. Its totient is φ = 504080000.

The previous prime is 630099997. The next prime is 630100033. The reversal of 630100025 is 520001036.

It can be written as a sum of positive squares in 3 ways, for example, as 29899024 + 600201001 = 5468^2 + 24499^2 .

It is not a de Polignac number, because 630100025 - 2⁶ = 630099961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630099976 and 630100012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12601976 + ... + 12602025.

It is an arithmetic number, because the mean of its divisors is an integer number (130220677).

Almost surely, 2^630100025 is an apocalyptic number.

It is an amenable number.

630100025 is a deficient number, since it is larger than the sum of its proper divisors (151224037).

630100025 is a wasteful number, since it uses less digits than its factorization.

630100025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25204011 (or 25204006 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 630100025 is about 25101.7932626336. The cubic root of 630100025 is about 857.3072549418.

The spelling of 630100025 in words is "six hundred thirty million, one hundred thousand, twenty-five".