630626054 has 16 divisors (see below), whose sum is σ = 989560800. Its totient is φ = 301017024.

The previous prime is 630626053. The next prime is 630626069. The reversal of 630626054 is 450626036.

It is a super-2 number, since 2×630626054² = 795378439967221832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630626054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630626053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55922 + ... + 66245.

It is an arithmetic number, because the mean of its divisors is an integer number (61847550).

Almost surely, 2^630626054 is an apocalyptic number.

630626054 is a deficient number, since it is larger than the sum of its proper divisors (358934746).

630626054 is a wasteful number, since it uses less digits than its factorization.

630626054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122287.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 630626054 is about 25112.2689934621. The cubic root of 630626054 is about 857.5457583665.

The spelling of 630626054 in words is "six hundred thirty million, six hundred twenty-six thousand, fifty-four".