252004505 has 16 divisors (see below), whose sum is σ = 318772800. Its totient is φ = 190722240.

The previous prime is 252004469. The next prime is 252004531. The reversal of 252004505 is 505400252.

It is a de Polignac number, because none of the positive numbers 2^k-252004505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87986 + ... + 90804.

It is an arithmetic number, because the mean of its divisors is an integer number (19923300).

Almost surely, 2^252004505 is an apocalyptic number.

It is an amenable number.

252004505 is a deficient number, since it is larger than the sum of its proper divisors (66768295).

252004505 is a wasteful number, since it uses less digits than its factorization.

252004505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 252004505 is about 15874.6497599160. The cubic root of 252004505 is about 631.6397236586.

Adding to 252004505 its reverse (505400252), we get a palindrome (757404757).

The spelling of 252004505 in words is "two hundred fifty-two million, four thousand, five hundred five".