256762379 has 2 divisors, whose sum is σ = 256762380. Its totient is φ = 256762378.

The previous prime is 256762321. The next prime is 256762397. The reversal of 256762379 is 973267652.

It is a happy number.

Together with next prime (256762397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256762379 - 2²⁰ = 255713803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256762279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128381189 + 128381190.

It is an arithmetic number, because the mean of its divisors is an integer number (128381190).

Almost surely, 2^256762379 is an apocalyptic number.

256762379 is a deficient number, since it is larger than the sum of its proper divisors (1).

256762379 is an equidigital number, since it uses as much as digits as its factorization.

256762379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 256762379 is about 16023.8066326326. The cubic root of 256762379 is about 635.5901092594.

It can be divided in two parts, 2567 and 62379, that added together give a palindrome (64946).

The spelling of 256762379 in words is "two hundred fifty-six million, seven hundred sixty-two thousand, three hundred seventy-nine".