252234161 has 2 divisors, whose sum is σ = 252234162. Its totient is φ = 252234160.

The previous prime is 252234149. The next prime is 252234181. The reversal of 252234161 is 161432252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250114225 + 2119936 = 15815^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 252234161 - 2⁶ = 252234097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252234161.

It is not a weakly prime, because it can be changed into another prime (252234121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126117080 + 126117081.

It is an arithmetic number, because the mean of its divisors is an integer number (126117081).

Almost surely, 2^252234161 is an apocalyptic number.

It is an amenable number.

252234161 is a deficient number, since it is larger than the sum of its proper divisors (1).

252234161 is an equidigital number, since it uses as much as digits as its factorization.

252234161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 252234161 is about 15881.8815321107. The cubic root of 252234161 is about 631.8315400833.

The spelling of 252234161 in words is "two hundred fifty-two million, two hundred thirty-four thousand, one hundred sixty-one".