252783556 has 24 divisors (see below), whose sum is σ = 455518616. Its totient is φ = 122653440.

The previous prime is 252783551. The next prime is 252783569. The reversal of 252783556 is 655387252.

It can be written as a sum of positive squares in 4 ways, for example, as 17774656 + 235008900 = 4216^2 + 15330^2 .

It is not an unprimeable number, because it can be changed into a prime (252783551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60280 + ... + 64336.

Almost surely, 2^252783556 is an apocalyptic number.

It is an amenable number.

252783556 is a deficient number, since it is larger than the sum of its proper divisors (202735060).

252783556 is a wasteful number, since it uses less digits than its factorization.

252783556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519 (or 4517 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 252783556 is about 15899.1684059261. The cubic root of 252783556 is about 632.2899413376.

The spelling of 252783556 in words is "two hundred fifty-two million, seven hundred eighty-three thousand, five hundred fifty-six".