252451219 has 2 divisors, whose sum is σ = 252451220. Its totient is φ = 252451218.

The previous prime is 252451211. The next prime is 252451229. The reversal of 252451219 is 912154252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252451219 - 2³ = 252451211 is a prime.

It is a super-2 number, since 2×252451219² = 127463235949171922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252451211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126225609 + 126225610.

It is an arithmetic number, because the mean of its divisors is an integer number (126225610).

Almost surely, 2^252451219 is an apocalyptic number.

252451219 is a deficient number, since it is larger than the sum of its proper divisors (1).

252451219 is an equidigital number, since it uses as much as digits as its factorization.

252451219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 252451219 is about 15888.7135728479. The cubic root of 252451219 is about 632.0127272380.

The spelling of 252451219 in words is "two hundred fifty-two million, four hundred fifty-one thousand, two hundred nineteen".