252772213 has 2 divisors, whose sum is σ = 252772214. Its totient is φ = 252772212.

The previous prime is 252772159. The next prime is 252772217. The reversal of 252772213 is 312277252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211324369 + 41447844 = 14537^2 + 6438^2 .

It is a cyclic number.

It is not a de Polignac number, because 252772213 - 2¹⁷ = 252641141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252772217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126386106 + 126386107.

It is an arithmetic number, because the mean of its divisors is an integer number (126386107).

Almost surely, 2^252772213 is an apocalyptic number.

It is an amenable number.

252772213 is a deficient number, since it is larger than the sum of its proper divisors (1).

252772213 is an equidigital number, since it uses as much as digits as its factorization.

252772213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 252772213 is about 15898.8116851543. The cubic root of 252772213 is about 632.2804837445.

The spelling of 252772213 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, two hundred thirteen".