252766441 has 2 divisors, whose sum is σ = 252766442. Its totient is φ = 252766440.

The previous prime is 252766433. The next prime is 252766447. The reversal of 252766441 is 144667252.

252766441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150675625 + 102090816 = 12275^2 + 10104^2 .

It is a cyclic number.

It is not a de Polignac number, because 252766441 - 2³ = 252766433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252766441.

It is not a weakly prime, because it can be changed into another prime (252766447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126383220 + 126383221.

It is an arithmetic number, because the mean of its divisors is an integer number (126383221).

Almost surely, 2^252766441 is an apocalyptic number.

It is an amenable number.

252766441 is a deficient number, since it is larger than the sum of its proper divisors (1).

252766441 is an equidigital number, since it uses as much as digits as its factorization.

252766441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 252766441 is about 15898.6301611177. The cubic root of 252766441 is about 632.2756710442.

The spelling of 252766441 in words is "two hundred fifty-two million, seven hundred sixty-six thousand, four hundred forty-one".