1266627325 has 6 divisors (see below), whose sum is σ = 1570617914. Its totient is φ = 1013301840.

The previous prime is 1266627311. The next prime is 1266627331. The reversal of 1266627325 is 5237266621.

It can be written as a sum of positive squares in 3 ways, for example, as 332041284 + 934586041 = 18222^2 + 30571^2 .

It is not a de Polignac number, because 1266627325 - 2²³ = 1258238717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25332522 + ... + 25332571.

Almost surely, 2^1266627325 is an apocalyptic number.

It is an amenable number.

1266627325 is a deficient number, since it is larger than the sum of its proper divisors (303990589).

1266627325 is an equidigital number, since it uses as much as digits as its factorization.

1266627325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50665103 (or 50665098 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 1266627325 is about 35589.7081331106. The cubic root of 1266627325 is about 1081.9726535524.

The spelling of 1266627325 in words is "one billion, two hundred sixty-six million, six hundred twenty-seven thousand, three hundred twenty-five".