252522779 has 2 divisors, whose sum is σ = 252522780. Its totient is φ = 252522778.

The previous prime is 252522761. The next prime is 252522797. The reversal of 252522779 is 977225252.

252522779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (252522797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (252522761) and next prime (252522797).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252522779 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252522679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126261389 + 126261390.

It is an arithmetic number, because the mean of its divisors is an integer number (126261390).

Almost surely, 2^252522779 is an apocalyptic number.

252522779 is a deficient number, since it is larger than the sum of its proper divisors (1).

252522779 is an equidigital number, since it uses as much as digits as its factorization.

252522779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 252522779 is about 15890.9653262475. The cubic root of 252522779 is about 632.0724385204.

The spelling of 252522779 in words is "two hundred fifty-two million, five hundred twenty-two thousand, seven hundred seventy-nine".