252505277530 has 16 divisors (see below), whose sum is σ = 495828545184. Its totient is φ = 91820100880.

The previous prime is 252505277491. The next prime is 252505277561. The reversal of 252505277530 is 35772505252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147751152 + ... + 1147751371.

It is an arithmetic number, because the mean of its divisors is an integer number (30989284074).

Almost surely, 2^252505277530 is an apocalyptic number.

252505277530 is a deficient number, since it is larger than the sum of its proper divisors (243323267654).

252505277530 is a wasteful number, since it uses less digits than its factorization.

252505277530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295502541.

The product of its (nonzero) digits is 735000, while the sum is 43.

It can be divided in two parts, 252505 and 277530, that added together give a palindrome (530035).

The spelling of 252505277530 in words is "two hundred fifty-two billion, five hundred five million, two hundred seventy-seven thousand, five hundred thirty".