252281502 has 24 divisors (see below), whose sum is σ = 596302200. Its totient is φ = 76448880.

The previous prime is 252281501. The next prime is 252281509. The reversal of 252281502 is 205182252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252281501) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 636877 + ... + 637272.

It is an arithmetic number, because the mean of its divisors is an integer number (24845925).

Almost surely, 2^252281502 is an apocalyptic number.

252281502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252281502 is an abundant number, since it is smaller than the sum of its proper divisors (344020698).

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

252281502 is a wasteful number, since it uses less digits than its factorization.

252281502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274168 (or 1274165 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 252281502 is about 15883.3718712369. The cubic root of 252281502 is about 631.8710664050.

The spelling of 252281502 in words is "two hundred fifty-two million, two hundred eighty-one thousand, five hundred two".