252203191 has 2 divisors, whose sum is σ = 252203192. Its totient is φ = 252203190.

The previous prime is 252203183. The next prime is 252203239. The reversal of 252203191 is 191302252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252203191 - 2³ = 252203183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252203291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126101595 + 126101596.

It is an arithmetic number, because the mean of its divisors is an integer number (126101596).

Almost surely, 2^252203191 is an apocalyptic number.

252203191 is a deficient number, since it is larger than the sum of its proper divisors (1).

252203191 is an equidigital number, since it uses as much as digits as its factorization.

252203191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 252203191 is about 15880.9064917592. The cubic root of 252203191 is about 631.8056796901.

The spelling of 252203191 in words is "two hundred fifty-two million, two hundred three thousand, one hundred ninety-one".