255463487 has 2 divisors, whose sum is σ = 255463488. Its totient is φ = 255463486.

The previous prime is 255463447. The next prime is 255463501. The reversal of 255463487 is 784364552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255463487 - 2⁶ = 255463423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255463447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127731743 + 127731744.

It is an arithmetic number, because the mean of its divisors is an integer number (127731744).

Almost surely, 2^255463487 is an apocalyptic number.

255463487 is a deficient number, since it is larger than the sum of its proper divisors (1).

255463487 is an equidigital number, since it uses as much as digits as its factorization.

255463487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 44.

The square root of 255463487 is about 15983.2251751641. The cubic root of 255463487 is about 634.5165369582.

The spelling of 255463487 in words is "two hundred fifty-five million, four hundred sixty-three thousand, four hundred eighty-seven".