252550279 has 2 divisors, whose sum is σ = 252550280. Its totient is φ = 252550278.

The previous prime is 252550231. The next prime is 252550301. The reversal of 252550279 is 972055252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252550279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252550579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126275139 + 126275140.

It is an arithmetic number, because the mean of its divisors is an integer number (126275140).

Almost surely, 2^252550279 is an apocalyptic number.

252550279 is a deficient number, since it is larger than the sum of its proper divisors (1).

252550279 is an equidigital number, since it uses as much as digits as its factorization.

252550279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 252550279 is about 15891.8305742290. The cubic root of 252550279 is about 632.0953821418.

The spelling of 252550279 in words is "two hundred fifty-two million, five hundred fifty thousand, two hundred seventy-nine".