253560000 has 140 divisors (see below), whose sum is σ = 838725272. Its totient is φ = 67584000.

The previous prime is 253559989. The next prime is 253560007. The reversal of 253560000 is 65352.

It is not an unprimeable number, because it can be changed into a prime (253560007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118944 + ... + 121056.

Almost surely, 2^253560000 is an apocalyptic number.

253560000 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 253560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419362636).

253560000 is an abundant number, since it is smaller than the sum of its proper divisors (585165272).

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

253560000 is an equidigital number, since it uses as much as digits as its factorization.

253560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 253560000 is about 15923.5674394904. The cubic root of 253560000 is about 632.9366552617.

The spelling of 253560000 in words is "two hundred fifty-three million, five hundred sixty thousand".