253253560 has 96 divisors (see below), whose sum is σ = 667884960. Its totient is φ = 86171904.

The previous prime is 253253537. The next prime is 253253591. The reversal of 253253560 is 65352352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307309 + ... + 308131.

It is an arithmetic number, because the mean of its divisors is an integer number (6957135).

Almost surely, 2^253253560 is an apocalyptic number.

253253560 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 253253560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333942480).

253253560 is an abundant number, since it is smaller than the sum of its proper divisors (414631400).

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

253253560 is a wasteful number, since it uses less digits than its factorization.

253253560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 253253560 is about 15913.9423148383. The cubic root of 253253560 is about 632.6815738913.

The spelling of 253253560 in words is "two hundred fifty-three million, two hundred fifty-three thousand, five hundred sixty".