253237660 has 48 divisors (see below), whose sum is σ = 580003200. Its totient is φ = 92312064.

The previous prime is 253237651. The next prime is 253237687. The reversal of 253237660 is 66732352.

It is a zygodrome in base 2.

It is a congruent number.

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, 14376 + ... + 26704.

It is an arithmetic number, because the mean of its divisors is an integer number (12083400).

Almost surely, 2^253237660 is an apocalyptic number.

253237660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253237660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290001600).

253237660 is an abundant number, since it is smaller than the sum of its proper divisors (326765540).

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

253237660 is a wasteful number, since it uses less digits than its factorization.

253237660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12430 (or 12428 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 253237660 is about 15913.4427450505. The cubic root of 253237660 is about 632.6683330803.

The spelling of 253237660 in words is "two hundred fifty-three million, two hundred thirty-seven thousand, six hundred sixty".