252424919 has 2 divisors, whose sum is σ = 252424920. Its totient is φ = 252424918.

The previous prime is 252424883. The next prime is 252424981. The reversal of 252424919 is 919424252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252424919 is a prime.

It is a super-2 number, since 2×252424919² = 127436679464313122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252424999) 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 as a sum of consecutive naturals, namely, 126212459 + 126212460.

It is an arithmetic number, because the mean of its divisors is an integer number (126212460).

Almost surely, 2^252424919 is an apocalyptic number.

252424919 is a deficient number, since it is larger than the sum of its proper divisors (1).

252424919 is an equidigital number, since it uses as much as digits as its factorization.

252424919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 252424919 is about 15887.8859197818. The cubic root of 252424919 is about 631.9907790875.

The spelling of 252424919 in words is "two hundred fifty-two million, four hundred twenty-four thousand, nine hundred nineteen".