252253237 has 2 divisors, whose sum is σ = 252253238. Its totient is φ = 252253236.

The previous prime is 252253189. The next prime is 252253289. The reversal of 252253237 is 732352252.

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., 251983876 + 269361 = 15874^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 252253237 - 2²³ = 243864629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252253199 and 252253208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252253297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126126618 + 126126619.

It is an arithmetic number, because the mean of its divisors is an integer number (126126619).

Almost surely, 2^252253237 is an apocalyptic number.

It is an amenable number.

252253237 is a deficient number, since it is larger than the sum of its proper divisors (1).

252253237 is an equidigital number, since it uses as much as digits as its factorization.

252253237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 252253237 is about 15882.4820793225. The cubic root of 252253237 is about 631.8474677628.

The spelling of 252253237 in words is "two hundred fifty-two million, two hundred fifty-three thousand, two hundred thirty-seven".