253012626 has 48 divisors (see below), whose sum is σ = 593445600. Its totient is φ = 79892568.

The previous prime is 253012601. The next prime is 253012637. The reversal of 253012626 is 626210352.

253012626 is a `hidden beast` number, since 2 + 5 + 30 + 1 + 2 + 626 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 253012626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13005 + ... + 25983.

It is an arithmetic number, because the mean of its divisors is an integer number (12363450).

Almost surely, 2^253012626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253012626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296722800).

253012626 is an abundant number, since it is smaller than the sum of its proper divisors (340432974).

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

253012626 is a wasteful number, since it uses less digits than its factorization.

253012626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 253012626 is about 15906.3706105447. The cubic root of 253012626 is about 632.4808753402.

Adding to 253012626 its reverse (626210352), we get a palindrome (879222978).

The spelling of 253012626 in words is "two hundred fifty-three million, twelve thousand, six hundred twenty-six".