252054157 has 2 divisors, whose sum is σ = 252054158. Its totient is φ = 252054156.

The previous prime is 252054139. The next prime is 252054163. The reversal of 252054157 is 751450252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251095716 + 958441 = 15846^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 252054157 - 2⁷ = 252054029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252055157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126027078 + 126027079.

It is an arithmetic number, because the mean of its divisors is an integer number (126027079).

Almost surely, 2^252054157 is an apocalyptic number.

It is an amenable number.

252054157 is a deficient number, since it is larger than the sum of its proper divisors (1).

252054157 is an equidigital number, since it uses as much as digits as its factorization.

252054157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 252054157 is about 15876.2135599141. The cubic root of 252054157 is about 631.6812045520.

The spelling of 252054157 in words is "two hundred fifty-two million, fifty-four thousand, one hundred fifty-seven".