255673349 has 2 divisors, whose sum is σ = 255673350. Its totient is φ = 255673348.

The previous prime is 255673339. The next prime is 255673393. The reversal of 255673349 is 943376552.

It is an a-pointer prime, because the next prime (255673393) can be obtained adding 255673349 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191961025 + 63712324 = 13855^2 + 7982^2 .

It is a cyclic number.

It is not a de Polignac number, because 255673349 - 2⁴ = 255673333 is a prime.

It is a super-2 number, since 2×255673349² = 130737722777751602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255673339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127836674 + 127836675.

It is an arithmetic number, because the mean of its divisors is an integer number (127836675).

Almost surely, 2^255673349 is an apocalyptic number.

It is an amenable number.

255673349 is a deficient number, since it is larger than the sum of its proper divisors (1).

255673349 is an equidigital number, since it uses as much as digits as its factorization.

255673349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 44.

The square root of 255673349 is about 15989.7888979186. The cubic root of 255673349 is about 634.6902401411.

The spelling of 255673349 in words is "two hundred fifty-five million, six hundred seventy-three thousand, three hundred forty-nine".