252943879 has 2 divisors, whose sum is σ = 252943880. Its totient is φ = 252943878.

The previous prime is 252943853. The next prime is 252943891. The reversal of 252943879 is 978349252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252943879 - 2¹⁹ = 252419591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252943079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126471939 + 126471940.

It is an arithmetic number, because the mean of its divisors is an integer number (126471940).

Almost surely, 2^252943879 is an apocalyptic number.

252943879 is a deficient number, since it is larger than the sum of its proper divisors (1).

252943879 is an equidigital number, since it uses as much as digits as its factorization.

252943879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 252943879 is about 15904.2094742241. The cubic root of 252943879 is about 632.4235855755.

The spelling of 252943879 in words is "two hundred fifty-two million, nine hundred forty-three thousand, eight hundred seventy-nine".