255467519 has 2 divisors, whose sum is σ = 255467520. Its totient is φ = 255467518.

The previous prime is 255467507. The next prime is 255467539. The reversal of 255467519 is 915764552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255467519 - 2¹² = 255463423 is a prime.

It is a super-2 number, since 2×255467519² = 130527306528030722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255467519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255467539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127733759 + 127733760.

It is an arithmetic number, because the mean of its divisors is an integer number (127733760).

Almost surely, 2^255467519 is an apocalyptic number.

255467519 is a deficient number, since it is larger than the sum of its proper divisors (1).

255467519 is an equidigital number, since it uses as much as digits as its factorization.

255467519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 255467519 is about 15983.3513069068. The cubic root of 255467519 is about 634.5198751485.

The spelling of 255467519 in words is "two hundred fifty-five million, four hundred sixty-seven thousand, five hundred nineteen".