253246620 has 96 divisors (see below), whose sum is σ = 819092736. Its totient is φ = 57779200.

The previous prime is 253246613. The next prime is 253246621. The reversal of 253246620 is 26642352.

253246620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253246621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (8532216).

Almost surely, 2^253246620 is an apocalyptic number.

253246620 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 253246620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409546368).

253246620 is an abundant number, since it is smaller than the sum of its proper divisors (565846116).

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

253246620 is a wasteful number, since it uses less digits than its factorization.

253246620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611 (or 22609 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 253246620 is about 15913.7242655514. The cubic root of 253246620 is about 632.6757946370.

Adding to 253246620 its reverse (26642352), we get a palindrome (279888972).

The spelling of 253246620 in words is "two hundred fifty-three million, two hundred forty-six thousand, six hundred twenty".