253632036 has 60 divisors (see below), whose sum is σ = 690480112. Its totient is φ = 72458064.

The previous prime is 253632031. The next prime is 253632047. The reversal of 253632036 is 630236352.

253632036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253631994 and 253632012.

It is not an unprimeable number, because it can be changed into a prime (253632031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24411 + ... + 33213.

Almost surely, 2^253632036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253632036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345240056).

253632036 is an abundant number, since it is smaller than the sum of its proper divisors (436848076).

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

253632036 is an equidigital number, since it uses as much as digits as its factorization.

253632036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 253632036 is about 15925.8292091809. The cubic root of 253632036 is about 632.9965883581.

Adding to 253632036 its reverse (630236352), we get a palindrome (883868388).

The spelling of 253632036 in words is "two hundred fifty-three million, six hundred thirty-two thousand, thirty-six".