253153720 has 32 divisors (see below), whose sum is σ = 599576400. Its totient is φ = 95931648.

The previous prime is 253153717. The next prime is 253153727. The reversal of 253153720 is 27351352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253153727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165789 + ... + 167308.

Almost surely, 2^253153720 is an apocalyptic number.

253153720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253153720 is an abundant number, since it is smaller than the sum of its proper divisors (346422680).

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

253153720 is a wasteful number, since it uses less digits than its factorization.

253153720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333127 (or 333123 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 253153720 is about 15910.8051336191. The cubic root of 253153720 is about 632.5984224035.

The spelling of 253153720 in words is "two hundred fifty-three million, one hundred fifty-three thousand, seven hundred twenty".