252925789 has 2 divisors, whose sum is σ = 252925790. Its totient is φ = 252925788.

The previous prime is 252925787. The next prime is 252925811. The reversal of 252925789 is 987529252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252269689 + 656100 = 15883^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 252925789 - 2¹ = 252925787 is a prime.

Together with 252925787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252925781) 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 as a sum of consecutive naturals, namely, 126462894 + 126462895.

It is an arithmetic number, because the mean of its divisors is an integer number (126462895).

Almost surely, 2^252925789 is an apocalyptic number.

It is an amenable number.

252925789 is a deficient number, since it is larger than the sum of its proper divisors (1).

252925789 is an equidigital number, since it uses as much as digits as its factorization.

252925789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 49.

The square root of 252925789 is about 15903.6407466970. The cubic root of 252925789 is about 632.4085086930.

The spelling of 252925789 in words is "two hundred fifty-two million, nine hundred twenty-five thousand, seven hundred eighty-nine".