630254652 has 12 divisors (see below), whose sum is σ = 1470594216. Its totient is φ = 210084880.

The previous prime is 630254629. The next prime is 630254683. The reversal of 630254652 is 256452036.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×630254652² = 794441852735282208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26260599 + ... + 26260622.

It is an arithmetic number, because the mean of its divisors is an integer number (122549518).

Almost surely, 2^630254652 is an apocalyptic number.

It is an amenable number.

630254652 is an abundant number, since it is smaller than the sum of its proper divisors (840339564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630254652 is a wasteful number, since it uses less digits than its factorization.

630254652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52521228 (or 52521226 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 630254652 is about 25104.8730727721. The cubic root of 630254652 is about 857.3773771454.

The spelling of 630254652 in words is "six hundred thirty million, two hundred fifty-four thousand, six hundred fifty-two".