252426199 has 4 divisors (see below), whose sum is σ = 254268864. Its totient is φ = 250583536.

The previous prime is 252426193. The next prime is 252426221. The reversal of 252426199 is 991624252.

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 252426199 - 2⁹ = 252425687 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252426193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921127 + ... + 921400.

It is an arithmetic number, because the mean of its divisors is an integer number (63567216).

Almost surely, 2^252426199 is an apocalyptic number.

252426199 is a deficient number, since it is larger than the sum of its proper divisors (1842665).

252426199 is a wasteful number, since it uses less digits than its factorization.

252426199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842664.

The product of its digits is 77760, while the sum is 40.

The square root of 252426199 is about 15887.9262019938. The cubic root of 252426199 is about 631.9918473218.

The spelling of 252426199 in words is "two hundred fifty-two million, four hundred twenty-six thousand, one hundred ninety-nine".