252523434 has 16 divisors (see below), whose sum is σ = 516792672. Its totient is φ = 82216848.

The previous prime is 252523399. The next prime is 252523501. The reversal of 252523434 is 434325252.

It is an alternating number because its digits alternate between even and odd.

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, 489129 + ... + 489644.

It is an arithmetic number, because the mean of its divisors is an integer number (32299542).

Almost surely, 2^252523434 is an apocalyptic number.

252523434 is an abundant number, since it is smaller than the sum of its proper divisors (264269238).

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

252523434 is a wasteful number, since it uses less digits than its factorization.

252523434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978821.

The product of its digits is 28800, while the sum is 30.

The square root of 252523434 is about 15890.9859354289. The cubic root of 252523434 is about 632.0729850151.

Adding to 252523434 its reverse (434325252), we get a palindrome (686848686).

The spelling of 252523434 in words is "two hundred fifty-two million, five hundred twenty-three thousand, four hundred thirty-four".