252837437 has 2 divisors, whose sum is σ = 252837438. Its totient is φ = 252837436.

The previous prime is 252837433. The next prime is 252837439. The reversal of 252837437 is 734738252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233661796 + 19175641 = 15286^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 252837437 - 2² = 252837433 is a prime.

Together with 252837439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252837394 and 252837403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252837433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126418718 + 126418719.

It is an arithmetic number, because the mean of its divisors is an integer number (126418719).

Almost surely, 2^252837437 is an apocalyptic number.

It is an amenable number.

252837437 is a deficient number, since it is larger than the sum of its proper divisors (1).

252837437 is an equidigital number, since it uses as much as digits as its factorization.

252837437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 252837437 is about 15900.8627753339. The cubic root of 252837437 is about 632.3348625007.

The spelling of 252837437 in words is "two hundred fifty-two million, eight hundred thirty-seven thousand, four hundred thirty-seven".