252771253 has 6 divisors (see below), whose sum is σ = 294040086. Its totient is φ = 216661032.

The previous prime is 252771227. The next prime is 252771313. The reversal of 252771253 is 352177252.

It can be written as a sum of positive squares in only one way, i.e., 252714609 + 56644 = 15897^2 + 238^2 .

It is not a de Polignac number, because 252771253 - 2⁹ = 252770741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252771223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2579250 + ... + 2579347.

It is an arithmetic number, because the mean of its divisors is an integer number (49006681).

Almost surely, 2^252771253 is an apocalyptic number.

It is an amenable number.

252771253 is a deficient number, since it is larger than the sum of its proper divisors (41268833).

252771253 is an equidigital number, since it uses as much as digits as its factorization.

252771253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158611 (or 5158604 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 252771253 is about 15898.7814941901. The cubic root of 252771253 is about 632.2796833004.

The spelling of 252771253 in words is "two hundred fifty-two million, seven hundred seventy-one thousand, two hundred fifty-three".