252279949522330 has 16 divisors (see below), whose sum is σ = 454548673026504. Its totient is φ = 100813143389760.

The previous prime is 252279949522301. The next prime is 252279949522343. The reversal of 252279949522330 is 33225949972252.

It is a Cunningham number, because it is equal to 15883323²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 251391204013041 + 888745509289 = 15855321^2 + 942733^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12354541677 + ... + 12354562096.

Almost surely, 2^{252279949522330} is an apocalyptic number.

252279949522330 is a deficient number, since it is larger than the sum of its proper divisors (202268723504174).

252279949522330 is a wasteful number, since it uses less digits than its factorization.

252279949522330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24709104801.

The product of its (nonzero) digits is 146966400, while the sum is 64.

The spelling of 252279949522330 in words is "two hundred fifty-two trillion, two hundred seventy-nine billion, nine hundred forty-nine million, five hundred twenty-two thousand, three hundred thirty".