252501552402 has 64 divisors (see below), whose sum is σ = 561523342464. Its totient is φ = 75043005440.

The previous prime is 252501552379. The next prime is 252501552431. The reversal of 252501552402 is 204255105252.

It is a happy number.

252501552402 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 (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10121248 + ... + 10146164.

It is an arithmetic number, because the mean of its divisors is an integer number (8773802226).

Almost surely, 2^252501552402 is an apocalyptic number.

252501552402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 252501552402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280761671232).

252501552402 is an abundant number, since it is smaller than the sum of its proper divisors (309021790062).

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

252501552402 is a wasteful number, since it uses less digits than its factorization.

252501552402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27883.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 252501552402 its reverse (204255105252), we get a palindrome (456756657654).

The spelling of 252501552402 in words is "two hundred fifty-two billion, five hundred one million, five hundred fifty-two thousand, four hundred two".