252707250 has 128 divisors (see below), whose sum is σ = 659902464. Its totient is φ = 64363200.

The previous prime is 252707249. The next prime is 252707251. The reversal of 252707250 is 52707252.

It is an interprime number because it is at equal distance from previous prime (252707249) and next prime (252707251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252707251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2361697 + ... + 2361803.

It is an arithmetic number, because the mean of its divisors is an integer number (5155488).

Almost surely, 2^252707250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252707250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329951232).

252707250 is an abundant number, since it is smaller than the sum of its proper divisors (407195214).

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

252707250 is a wasteful number, since it uses less digits than its factorization.

252707250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 252707250 is about 15896.7685395492. The cubic root of 252707250 is about 632.2263132908.

The spelling of 252707250 in words is "two hundred fifty-two million, seven hundred seven thousand, two hundred fifty".