255567853 has 2 divisors, whose sum is σ = 255567854. Its totient is φ = 255567852.

The previous prime is 255567847. The next prime is 255567889. The reversal of 255567853 is 358765552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233081289 + 22486564 = 15267^2 + 4742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255567853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255567833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127783926 + 127783927.

It is an arithmetic number, because the mean of its divisors is an integer number (127783927).

Almost surely, 2^255567853 is an apocalyptic number.

It is an amenable number.

255567853 is a deficient number, since it is larger than the sum of its proper divisors (1).

255567853 is an equidigital number, since it uses as much as digits as its factorization.

255567853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260000, while the sum is 46.

The square root of 255567853 is about 15986.4897022455. The cubic root of 255567853 is about 634.6029327842.

The spelling of 255567853 in words is "two hundred fifty-five million, five hundred sixty-seven thousand, eight hundred fifty-three".