252035730 has 24 divisors (see below), whose sum is σ = 655293132. Its totient is φ = 67209504.

The previous prime is 252035717. The next prime is 252035737. The reversal of 252035730 is 37530252.

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 43204329 = 14451^2 + 6573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252035694 and 252035703.

It is not an unprimeable number, because it can be changed into a prime (252035737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1400109 + ... + 1400288.

Almost surely, 2^252035730 is an apocalyptic number.

252035730 is an abundant number, since it is smaller than the sum of its proper divisors (403257402).

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

252035730 is a wasteful number, since it uses less digits than its factorization.

252035730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800410 (or 2800407 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 252035730 is about 15875.6332157177. The cubic root of 252035730 is about 631.6658106734.

Adding to 252035730 its reverse (37530252), we get a palindrome (289565982).

The spelling of 252035730 in words is "two hundred fifty-two million, thirty-five thousand, seven hundred thirty".