255605837 has 2 divisors, whose sum is σ = 255605838. Its totient is φ = 255605836.

The previous prime is 255605827. The next prime is 255605839. The reversal of 255605837 is 738506552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253892356 + 1713481 = 15934^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 255605837 - 2¹⁰ = 255604813 is a prime.

It is a super-3 number, since 3×255605837³ (a number of 26 digits) contains 333 as substring.

Together with 255605839, 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 = 255605794 and 255605803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255605839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127802918 + 127802919.

It is an arithmetic number, because the mean of its divisors is an integer number (127802919).

Almost surely, 2^255605837 is an apocalyptic number.

It is an amenable number.

255605837 is a deficient number, since it is larger than the sum of its proper divisors (1).

255605837 is an equidigital number, since it uses as much as digits as its factorization.

255605837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 255605837 is about 15987.6776612490. The cubic root of 255605837 is about 634.6343707024.

The spelling of 255605837 in words is "two hundred fifty-five million, six hundred five thousand, eight hundred thirty-seven".