1255425349 has 2 divisors, whose sum is σ = 1255425350. Its totient is φ = 1255425348.

The previous prime is 1255425317. The next prime is 1255425373. The reversal of 1255425349 is 9435245521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165744449 + 89680900 = 34143^2 + 9470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255425349 - 2⁵ = 1255425317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255425389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627712674 + 627712675.

It is an arithmetic number, because the mean of its divisors is an integer number (627712675).

Almost surely, 2^1255425349 is an apocalyptic number.

It is an amenable number.

1255425349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255425349 is an equidigital number, since it uses as much as digits as its factorization.

1255425349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The square root of 1255425349 is about 35431.9820077850. The cubic root of 1255425349 is about 1078.7735703774.

The spelling of 1255425349 in words is "one billion, two hundred fifty-five million, four hundred twenty-five thousand, three hundred forty-nine".