255003491 has 2 divisors, whose sum is σ = 255003492. Its totient is φ = 255003490.

The previous prime is 255003449. The next prime is 255003493. The reversal of 255003491 is 194300552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255003491 - 2¹⁴ = 254987107 is a prime.

Together with 255003493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255003493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127501745 + 127501746.

It is an arithmetic number, because the mean of its divisors is an integer number (127501746).

Almost surely, 2^255003491 is an apocalyptic number.

255003491 is a deficient number, since it is larger than the sum of its proper divisors (1).

255003491 is an equidigital number, since it uses as much as digits as its factorization.

255003491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 255003491 is about 15968.8287297472. The cubic root of 255003491 is about 634.1354643250.

The spelling of 255003491 in words is "two hundred fifty-five million, three thousand, four hundred ninety-one".