252777282 has 16 divisors (see below), whose sum is σ = 522987840. Its totient is φ = 81353552.

The previous prime is 252777277. The next prime is 252777289. The reversal of 252777282 is 282777252.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (252777289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726198 + ... + 726545.

It is an arithmetic number, because the mean of its divisors is an integer number (32686740).

Almost surely, 2^252777282 is an apocalyptic number.

252777282 is an abundant number, since it is smaller than the sum of its proper divisors (270210558).

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

252777282 is a wasteful number, since it uses less digits than its factorization.

252777282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452777.

The product of its digits is 219520, while the sum is 42.

The square root of 252777282 is about 15898.9710987850. The cubic root of 252777282 is about 632.2847102222.

The spelling of 252777282 in words is "two hundred fifty-two million, seven hundred seventy-seven thousand, two hundred eighty-two".