252429293 has 2 divisors, whose sum is σ = 252429294. Its totient is φ = 252429292.

The previous prime is 252429259. The next prime is 252429329. The reversal of 252429293 is 392924252.

Together with next prime (252429329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186786889 + 65642404 = 13667^2 + 8102^2 .

It is a cyclic number.

It is not a de Polignac number, because 252429293 - 2¹⁰ = 252428269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252429223) 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, 126214646 + 126214647.

It is an arithmetic number, because the mean of its divisors is an integer number (126214647).

Almost surely, 2^252429293 is an apocalyptic number.

It is an amenable number.

252429293 is a deficient number, since it is larger than the sum of its proper divisors (1).

252429293 is an equidigital number, since it uses as much as digits as its factorization.

252429293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 252429293 is about 15888.0235712313. The cubic root of 252429293 is about 631.9944294293.

The spelling of 252429293 in words is "two hundred fifty-two million, four hundred twenty-nine thousand, two hundred ninety-three".