252020250 has 96 divisors (see below), whose sum is σ = 688830480. Its totient is φ = 66480000.

The previous prime is 252020243. The next prime is 252020261. The reversal of 252020250 is 52020252.

It can be written as a sum of positive squares in 8 ways, for example, as 5184729 + 246835521 = 2277^2 + 15711^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226696 + ... + 227804.

Almost surely, 2^252020250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252020250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344415240).

252020250 is an abundant number, since it is smaller than the sum of its proper divisors (436810230).

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

252020250 is a wasteful number, since it uses less digits than its factorization.

252020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 252020250 is about 15875.1456686230. The cubic root of 252020250 is about 631.6528781328.

It can be divided in two parts, 2520202 and 50, that added together give a palindrome (2520252).

The spelling of 252020250 in words is "two hundred fifty-two million, twenty thousand, two hundred fifty".