630445054 has 8 divisors (see below), whose sum is σ = 946644408. Its totient is φ = 314896920.

The previous prime is 630445033. The next prime is 630445063. The reversal of 630445054 is 450544036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×630445054² = 794921932226125832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160377 + ... + 164260.

It is an arithmetic number, because the mean of its divisors is an integer number (118330551).

Almost surely, 2^630445054 is an apocalyptic number.

630445054 is a deficient number, since it is larger than the sum of its proper divisors (316199354).

630445054 is a wasteful number, since it uses less digits than its factorization.

630445054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325610.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 630445054 is about 25108.6649187088. The cubic root of 630445054 is about 857.4637072928.

The spelling of 630445054 in words is "six hundred thirty million, four hundred forty-five thousand, fifty-four".