255907349 has 2 divisors, whose sum is σ = 255907350. Its totient is φ = 255907348.

The previous prime is 255907313. The next prime is 255907357. The reversal of 255907349 is 943709552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255424324 + 483025 = 15982^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 255907349 - 2¹² = 255903253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255909349) 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, 127953674 + 127953675.

It is an arithmetic number, because the mean of its divisors is an integer number (127953675).

Almost surely, 2^255907349 is an apocalyptic number.

It is an amenable number.

255907349 is a deficient number, since it is larger than the sum of its proper divisors (1).

255907349 is an equidigital number, since it uses as much as digits as its factorization.

255907349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 255907349 is about 15997.1043942334. The cubic root of 255907349 is about 634.8838103491.

The spelling of 255907349 in words is "two hundred fifty-five million, nine hundred seven thousand, three hundred forty-nine".