252416779 has 2 divisors, whose sum is σ = 252416780. Its totient is φ = 252416778.

The previous prime is 252416777. The next prime is 252416807. The reversal of 252416779 is 977614252.

252416779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252416779 - 2¹ = 252416777 is a prime.

Together with 252416777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252416777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126208389 + 126208390.

It is an arithmetic number, because the mean of its divisors is an integer number (126208390).

Almost surely, 2^252416779 is an apocalyptic number.

252416779 is a deficient number, since it is larger than the sum of its proper divisors (1).

252416779 is an equidigital number, since it uses as much as digits as its factorization.

252416779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 252416779 is about 15887.6297476999. The cubic root of 252416779 is about 631.9839857009.

The spelling of 252416779 in words is "two hundred fifty-two million, four hundred sixteen thousand, seven hundred seventy-nine".