252771251 has 6 divisors (see below), whose sum is σ = 256986756. Its totient is φ = 248623800.

The previous prime is 252771227. The next prime is 252771313. The reversal of 252771251 is 152177252.

It is not a de Polignac number, because 252771251 - 2¹⁴ = 252754867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252771451) 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, 30245 + ... + 37686.

It is an arithmetic number, because the mean of its divisors is an integer number (42831126).

Almost surely, 2^252771251 is an apocalyptic number.

252771251 is a deficient number, since it is larger than the sum of its proper divisors (4215505).

252771251 is an frugal number, since it uses more digits than its factorization.

252771251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68053 (or 67992 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 252771251 is about 15898.7814312921. The cubic root of 252771251 is about 632.2796816329.

The spelling of 252771251 in words is "two hundred fifty-two million, seven hundred seventy-one thousand, two hundred fifty-one".