252026161 has 2 divisors, whose sum is σ = 252026162. Its totient is φ = 252026160.

The previous prime is 252026147. The next prime is 252026171. The reversal of 252026161 is 161620252.

252026161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200760561 + 51265600 = 14169^2 + 7160^2 .

It is a cyclic number.

It is not a de Polignac number, because 252026161 - 2¹⁵ = 251993393 is a prime.

It is not a weakly prime, because it can be changed into another prime (252026101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126013080 + 126013081.

It is an arithmetic number, because the mean of its divisors is an integer number (126013081).

Almost surely, 2^252026161 is an apocalyptic number.

It is an amenable number.

252026161 is a deficient number, since it is larger than the sum of its proper divisors (1).

252026161 is an equidigital number, since it uses as much as digits as its factorization.

252026161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 252026161 is about 15875.3318390514. The cubic root of 252026161 is about 631.6578164542.

The spelling of 252026161 in words is "two hundred fifty-two million, twenty-six thousand, one hundred sixty-one".