252558219 has 4 divisors (see below), whose sum is σ = 336744296. Its totient is φ = 168372144.

The previous prime is 252558217. The next prime is 252558281. The reversal of 252558219 is 912855252.

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

It is not a de Polignac number, because 252558219 - 2¹ = 252558217 is a prime.

It is a super-2 number, since 2×252558219² = 127571307968903922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252558217) 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 in 3 ways as a sum of consecutive naturals, for example, 42093034 + ... + 42093039.

It is an arithmetic number, because the mean of its divisors is an integer number (84186074).

Almost surely, 2^252558219 is an apocalyptic number.

252558219 is a deficient number, since it is larger than the sum of its proper divisors (84186077).

252558219 is an equidigital number, since it uses as much as digits as its factorization.

252558219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84186076.

The product of its digits is 72000, while the sum is 39.

The square root of 252558219 is about 15892.0803861546. The cubic root of 252558219 is about 632.1020062811.

The spelling of 252558219 in words is "two hundred fifty-two million, five hundred fifty-eight thousand, two hundred nineteen".