252388093 has 2 divisors, whose sum is σ = 252388094. Its totient is φ = 252388092.

The previous prime is 252388061. The next prime is 252388111. The reversal of 252388093 is 390883252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143352729 + 109035364 = 11973^2 + 10442^2 .

It is a cyclic number.

It is not a de Polignac number, because 252388093 - 2⁵ = 252388061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252388013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126194046 + 126194047.

It is an arithmetic number, because the mean of its divisors is an integer number (126194047).

Almost surely, 2^252388093 is an apocalyptic number.

It is an amenable number.

252388093 is a deficient number, since it is larger than the sum of its proper divisors (1).

252388093 is an equidigital number, since it uses as much as digits as its factorization.

252388093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 252388093 is about 15886.7269442135. The cubic root of 252388093 is about 631.9600441078.

The spelling of 252388093 in words is "two hundred fifty-two million, three hundred eighty-eight thousand, ninety-three".