252130734 has 48 divisors (see below), whose sum is σ = 556910640. Its totient is φ = 82425600.

The previous prime is 252130733. The next prime is 252130759. The reversal of 252130734 is 437031252.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 252130698 and 252130707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252130733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209334 + ... + 210534.

It is an arithmetic number, because the mean of its divisors is an integer number (11602305).

Almost surely, 2^252130734 is an apocalyptic number.

252130734 is an abundant number, since it is smaller than the sum of its proper divisors (304779906).

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

252130734 is a wasteful number, since it uses less digits than its factorization.

252130734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 252130734 is about 15878.6250664218. The cubic root of 252130734 is about 631.7451687866.

Adding to 252130734 its reverse (437031252), we get a palindrome (689161986).

The spelling of 252130734 in words is "two hundred fifty-two million, one hundred thirty thousand, seven hundred thirty-four".