630699125 has 32 divisors (see below), whose sum is σ = 901974528. Its totient is φ = 431318400.

The previous prime is 630699119. The next prime is 630699127. The reversal of 630699125 is 521996036.

It is not a de Polignac number, because 630699125 - 2⁸ = 630698869 is a prime.

It is a super-4 number, since 4×630699125⁴ (a number of 36 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630699127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439409 + ... + 440841.

It is an arithmetic number, because the mean of its divisors is an integer number (28186704).

Almost surely, 2^630699125 is an apocalyptic number.

It is an amenable number.

630699125 is a deficient number, since it is larger than the sum of its proper divisors (271275403).

630699125 is a wasteful number, since it uses less digits than its factorization.

630699125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 630699125 is about 25113.7238377744. The cubic root of 630699125 is about 857.5788785257.

The spelling of 630699125 in words is "six hundred thirty million, six hundred ninety-nine thousand, one hundred twenty-five".