1630614252 has 12 divisors (see below), whose sum is σ = 3804766616. Its totient is φ = 543538080.

The previous prime is 1630614217. The next prime is 1630614263. The reversal of 1630614252 is 2524160361.

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

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, 67942249 + ... + 67942272.

Almost surely, 2^1630614252 is an apocalyptic number.

1630614252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630614252 is an abundant number, since it is smaller than the sum of its proper divisors (2174152364).

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

1630614252 is a wasteful number, since it uses less digits than its factorization.

1630614252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135884528 (or 135884526 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1630614252 is about 40380.8649238720. The cubic root of 1630614252 is about 1177.0197348126.

The spelling of 1630614252 in words is "one billion, six hundred thirty million, six hundred fourteen thousand, two hundred fifty-two".