253430212 has 24 divisors (see below), whose sum is σ = 508088000. Its totient is φ = 108349920.

The previous prime is 253430167. The next prime is 253430213. The reversal of 253430212 is 212034352.

It is not an unprimeable number, because it can be changed into a prime (253430213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 22537.

Almost surely, 2^253430212 is an apocalyptic number.

It is an amenable number.

253430212 is an abundant number, since it is smaller than the sum of its proper divisors (254657788).

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

253430212 is a wasteful number, since it uses less digits than its factorization.

253430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931 (or 21929 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 253430212 is about 15919.4915747960. The cubic root of 253430212 is about 632.8286445309.

Adding to 253430212 its reverse (212034352), we get a palindrome (465464564).

The spelling of 253430212 in words is "two hundred fifty-three million, four hundred thirty thousand, two hundred twelve".