252513130 has 16 divisors (see below), whose sum is σ = 459025704. Its totient is φ = 100004800.

The previous prime is 252513119. The next prime is 252513139. The reversal of 252513130 is 31315252.

252513130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 251952129 + 561001 = 15873^2 + 749^2 .

It is not an unprimeable number, because it can be changed into a prime (252513139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123997 + ... + 126016.

Almost surely, 2^252513130 is an apocalyptic number.

252513130 is a deficient number, since it is larger than the sum of its proper divisors (206512574).

252513130 is a wasteful number, since it uses less digits than its factorization.

252513130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250121.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 252513130 is about 15890.6617231631. The cubic root of 252513130 is about 632.0643878346.

Adding to 252513130 its reverse (31315252), we get a palindrome (283828382).

The spelling of 252513130 in words is "two hundred fifty-two million, five hundred thirteen thousand, one hundred thirty".