252765419 has 2 divisors, whose sum is σ = 252765420. Its totient is φ = 252765418.

The previous prime is 252765407. The next prime is 252765439. The reversal of 252765419 is 914567252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252765419 - 2¹² = 252761323 is a prime.

It is a super-2 number, since 2×252765419² = 127780714084491122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252765439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126382709 + 126382710.

It is an arithmetic number, because the mean of its divisors is an integer number (126382710).

Almost surely, 2^252765419 is an apocalyptic number.

252765419 is a deficient number, since it is larger than the sum of its proper divisors (1).

252765419 is an equidigital number, since it uses as much as digits as its factorization.

252765419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 252765419 is about 15898.5980199513. The cubic root of 252765419 is about 632.2748188917.

The spelling of 252765419 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, four hundred nineteen".