1630245252 has 48 divisors (see below), whose sum is σ = 3872377152. Its totient is φ = 533662080.

The previous prime is 1630245229. The next prime is 1630245257. The reversal of 1630245252 is 2525420361.

It is not an unprimeable number, because it can be changed into a prime (1630245257) 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, 604018 + ... + 606710.

It is an arithmetic number, because the mean of its divisors is an integer number (80674524).

Almost surely, 2^1630245252 is an apocalyptic number.

1630245252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630245252 is an abundant number, since it is smaller than the sum of its proper divisors (2242131900).

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

1630245252 is a wasteful number, since it uses less digits than its factorization.

1630245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1630245252 is about 40376.2956696129. The cubic root of 1630245252 is about 1176.9309435188.

The spelling of 1630245252 in words is "one billion, six hundred thirty million, two hundred forty-five thousand, two hundred fifty-two".