1255776325 has 6 divisors (see below), whose sum is σ = 1557162674. Its totient is φ = 1004621040.

The previous prime is 1255776311. The next prime is 1255776341. The reversal of 1255776325 is 5236775521.

It can be written as a sum of positive squares in 3 ways, for example, as 243391201 + 1012385124 = 15601^2 + 31818^2 .

It is not a de Polignac number, because 1255776325 - 2⁵ = 1255776293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 25115502 + ... + 25115551.

Almost surely, 2^1255776325 is an apocalyptic number.

It is an amenable number.

1255776325 is a deficient number, since it is larger than the sum of its proper divisors (301386349).

1255776325 is an equidigital number, since it uses as much as digits as its factorization.

1255776325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50231063 (or 50231058 counting only the distinct ones).

The product of its digits is 441000, while the sum is 43.

The square root of 1255776325 is about 35436.9344752054. The cubic root of 1255776325 is about 1078.8740909845.

The spelling of 1255776325 in words is "one billion, two hundred fifty-five million, seven hundred seventy-six thousand, three hundred twenty-five".