252909702 has 80 divisors (see below), whose sum is σ = 597991680. Its totient is φ = 79733808.

The previous prime is 252909691. The next prime is 252909733. The reversal of 252909702 is 207909252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 383449 + ... + 384107.

It is an arithmetic number, because the mean of its divisors is an integer number (7474896).

Almost surely, 2^252909702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252909702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298995840).

252909702 is an abundant number, since it is smaller than the sum of its proper divisors (345081978).

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

252909702 is a wasteful number, since it uses less digits than its factorization.

252909702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 252909702 is about 15903.1349739603. The cubic root of 252909702 is about 632.3951005817.

The spelling of 252909702 in words is "two hundred fifty-two million, nine hundred nine thousand, seven hundred two".