630754431 has 16 divisors (see below), whose sum is σ = 865728864. Its totient is φ = 408305664.

The previous prime is 630754357. The next prime is 630754493. The reversal of 630754431 is 134457036.

It is not a de Polignac number, because 630754431 - 2⁹ = 630753919 is a prime.

It is a super-2 number, since 2×630754431² = 795702304452267522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630754392 and 630754401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630756431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5026 + ... + 35871.

It is an arithmetic number, because the mean of its divisors is an integer number (54108054).

Almost surely, 2^630754431 is an apocalyptic number.

630754431 is a deficient number, since it is larger than the sum of its proper divisors (234974433).

630754431 is a wasteful number, since it uses less digits than its factorization.

630754431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41050.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 630754431 is about 25114.8249247332. The cubic root of 630754431 is about 857.6039448208.

The spelling of 630754431 in words is "six hundred thirty million, seven hundred fifty-four thousand, four hundred thirty-one".