253209332 has 12 divisors (see below), whose sum is σ = 443352000. Its totient is φ = 126537336.

The previous prime is 253209311. The next prime is 253209347. The reversal of 253209332 is 233902352.

It is a super-2 number, since 2×253209332² = 128229931623772448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253209295 and 253209304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 23829.

It is an arithmetic number, because the mean of its divisors is an integer number (36946000).

Almost surely, 2^253209332 is an apocalyptic number.

It is an amenable number.

253209332 is a deficient number, since it is larger than the sum of its proper divisors (190142668).

253209332 is a wasteful number, since it uses less digits than its factorization.

253209332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670 (or 33668 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 253209332 is about 15912.5526550582. The cubic root of 253209332 is about 632.6447414117.

The spelling of 253209332 in words is "two hundred fifty-three million, two hundred nine thousand, three hundred thirty-two".