252938237 has 2 divisors, whose sum is σ = 252938238. Its totient is φ = 252938236.

The previous prime is 252938227. The next prime is 252938293. The reversal of 252938237 is 732839252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230857636 + 22080601 = 15194^2 + 4699^2 .

It is a cyclic number.

It is not a de Polignac number, because 252938237 - 2⁶ = 252938173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252938194 and 252938203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252938227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126469118 + 126469119.

It is an arithmetic number, because the mean of its divisors is an integer number (126469119).

Almost surely, 2^252938237 is an apocalyptic number.

It is an amenable number.

252938237 is a deficient number, since it is larger than the sum of its proper divisors (1).

252938237 is an equidigital number, since it uses as much as digits as its factorization.

252938237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 252938237 is about 15904.0320988107. The cubic root of 252938237 is about 632.4188833988.

The spelling of 252938237 in words is "two hundred fifty-two million, nine hundred thirty-eight thousand, two hundred thirty-seven".