252438371 has 2 divisors, whose sum is σ = 252438372. Its totient is φ = 252438370.

The previous prime is 252438293. The next prime is 252438377. The reversal of 252438371 is 173834252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252438371 - 2²² = 248244067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252438377) 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, 126219185 + 126219186.

It is an arithmetic number, because the mean of its divisors is an integer number (126219186).

Almost surely, 2^252438371 is an apocalyptic number.

252438371 is a deficient number, since it is larger than the sum of its proper divisors (1).

252438371 is an equidigital number, since it uses as much as digits as its factorization.

252438371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 252438371 is about 15888.3092555501. The cubic root of 252438371 is about 632.0020053814.

The spelling of 252438371 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, three hundred seventy-one".