252481308 has 48 divisors (see below), whose sum is σ = 611143680. Its totient is φ = 81031104.

The previous prime is 252481261. The next prime is 252481319. The reversal of 252481308 is 803184252.

252481308 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160341 + ... + 161907.

It is an arithmetic number, because the mean of its divisors is an integer number (12732160).

Almost surely, 2^252481308 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 252481308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305571840).

252481308 is an abundant number, since it is smaller than the sum of its proper divisors (358662372).

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

252481308 is a wasteful number, since it uses less digits than its factorization.

252481308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 252481308 is about 15889.6604117269. The cubic root of 252481308 is about 632.0378355547.

The spelling of 252481308 in words is "two hundred fifty-two million, four hundred eighty-one thousand, three hundred eight".