252240332237 has 2 divisors, whose sum is σ = 252240332238. Its totient is φ = 252240332236.

The previous prime is 252240332219. The next prime is 252240332261. The reversal of 252240332237 is 732233042252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238875585001 + 13364747236 = 488749^2 + 115606^2 .

It is a cyclic number.

It is not a de Polignac number, because 252240332237 - 2²⁰ = 252239283661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252240332197 and 252240332206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252240332137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126120166118 + 126120166119.

It is an arithmetic number, because the mean of its divisors is an integer number (126120166119).

Almost surely, 2^252240332237 is an apocalyptic number.

It is an amenable number.

252240332237 is a deficient number, since it is larger than the sum of its proper divisors (1).

252240332237 is an equidigital number, since it uses as much as digits as its factorization.

252240332237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 35.

Adding to 252240332237 its reverse (732233042252), we get a palindrome (984473374489).

The spelling of 252240332237 in words is "two hundred fifty-two billion, two hundred forty million, three hundred thirty-two thousand, two hundred thirty-seven".