255940837 has 2 divisors, whose sum is σ = 255940838. Its totient is φ = 255940836.

The previous prime is 255940813. The next prime is 255940843. The reversal of 255940837 is 738049552.

255940837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194490916 + 61449921 = 13946^2 + 7839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255940837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255940793 and 255940802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255940037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127970418 + 127970419.

It is an arithmetic number, because the mean of its divisors is an integer number (127970419).

Almost surely, 2^255940837 is an apocalyptic number.

It is an amenable number.

255940837 is a deficient number, since it is larger than the sum of its proper divisors (1).

255940837 is an equidigital number, since it uses as much as digits as its factorization.

255940837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 255940837 is about 15998.1510494182. The cubic root of 255940837 is about 634.9115027434.

The spelling of 255940837 in words is "two hundred fifty-five million, nine hundred forty thousand, eight hundred thirty-seven".