253024436 has 36 divisors (see below), whose sum is σ = 517779108. Its totient is φ = 107872128.

The previous prime is 253024423. The next prime is 253024441. The reversal of 253024436 is 634420352.

253024436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184796836 + 68227600 = 13594^2 + 8260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253024399 and 253024408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35336 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (14382753).

Almost surely, 2^253024436 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 253024436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258889554).

253024436 is an abundant number, since it is smaller than the sum of its proper divisors (264754672).

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

253024436 is a wasteful number, since it uses less digits than its factorization.

253024436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 253024436 is about 15906.7418411188. The cubic root of 253024436 is about 632.4907160651.

Adding to 253024436 its reverse (634420352), we get a palindrome (887444788).

The spelling of 253024436 in words is "two hundred fifty-three million, twenty-four thousand, four hundred thirty-six".