1255759259 has 2 divisors, whose sum is σ = 1255759260. Its totient is φ = 1255759258.

The previous prime is 1255759231. The next prime is 1255759327. The reversal of 1255759259 is 9529575521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255759259 - 2²⁰ = 1254710683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255759559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627879629 + 627879630.

It is an arithmetic number, because the mean of its divisors is an integer number (627879630).

Almost surely, 2^1255759259 is an apocalyptic number.

1255759259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255759259 is an equidigital number, since it uses as much as digits as its factorization.

1255759259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417500, while the sum is 50.

The square root of 1255759259 is about 35436.6936804211. The cubic root of 1255759259 is about 1078.8692036628.

The spelling of 1255759259 in words is "one billion, two hundred fifty-five million, seven hundred fifty-nine thousand, two hundred fifty-nine".