1255724579 has 2 divisors, whose sum is σ = 1255724580. Its totient is φ = 1255724578.

The previous prime is 1255724539. The next prime is 1255724593. The reversal of 1255724579 is 9754275521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255724579 - 2¹⁶ = 1255659043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255724539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627862289 + 627862290.

It is an arithmetic number, because the mean of its divisors is an integer number (627862290).

Almost surely, 2^1255724579 is an apocalyptic number.

1255724579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255724579 is an equidigital number, since it uses as much as digits as its factorization.

1255724579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 47.

The square root of 1255724579 is about 35436.2043537397. The cubic root of 1255724579 is about 1078.8592719480.

The spelling of 1255724579 in words is "one billion, two hundred fifty-five million, seven hundred twenty-four thousand, five hundred seventy-nine".