253203960 has 32 divisors (see below), whose sum is σ = 759612240. Its totient is φ = 67521024.

The previous prime is 253203917. The next prime is 253203961. The reversal of 253203960 is 69302352.

It is a super-2 number, since 2×253203960² = 128224490719363200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253203961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1054897 + ... + 1055136.

Almost surely, 2^253203960 is an apocalyptic number.

253203960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253203960 is an abundant number, since it is smaller than the sum of its proper divisors (506408280).

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

253203960 is a wasteful number, since it uses less digits than its factorization.

253203960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110047 (or 2110043 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 253203960 is about 15912.3838566068. The cubic root of 253203960 is about 632.6402673908.

The spelling of 253203960 in words is "two hundred fifty-three million, two hundred three thousand, nine hundred sixty".