630206252 has 48 divisors (see below), whose sum is σ = 1281383712. Its totient is φ = 268569600.

The previous prime is 630206243. The next prime is 630206261. The reversal of 630206252 is 252602036.

It is an interprime number because it is at equal distance from previous prime (630206243) and next prime (630206261).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40127 + ... + 53577.

It is an arithmetic number, because the mean of its divisors is an integer number (26695494).

Almost surely, 2^630206252 is an apocalyptic number.

It is an amenable number.

630206252 is an abundant number, since it is smaller than the sum of its proper divisors (651177460).

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

630206252 is a wasteful number, since it uses less digits than its factorization.

630206252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538 (or 13536 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 630206252 is about 25103.9090979871. The cubic root of 630206252 is about 857.3554293357.

Adding to 630206252 its reverse (252602036), we get a palindrome (882808288).

The spelling of 630206252 in words is "six hundred thirty million, two hundred six thousand, two hundred fifty-two".