252267819 has 4 divisors (see below), whose sum is σ = 336357096. Its totient is φ = 168178544.

The previous prime is 252267817. The next prime is 252267833. The reversal of 252267819 is 918762252.

252267819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252267819 - 2¹ = 252267817 is a prime.

It is a super-2 number, since 2×252267819² = 127278105006033522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252267817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42044634 + ... + 42044639.

It is an arithmetic number, because the mean of its divisors is an integer number (84089274).

Almost surely, 2^252267819 is an apocalyptic number.

252267819 is a deficient number, since it is larger than the sum of its proper divisors (84089277).

252267819 is an equidigital number, since it uses as much as digits as its factorization.

252267819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84089276.

The product of its digits is 120960, while the sum is 42.

The square root of 252267819 is about 15882.9411319189. The cubic root of 252267819 is about 631.8596425947.

The spelling of 252267819 in words is "two hundred fifty-two million, two hundred sixty-seven thousand, eight hundred nineteen".