1275325747 has 2 divisors, whose sum is σ = 1275325748. Its totient is φ = 1275325746.

The previous prime is 1275325693. The next prime is 1275325759. The reversal of 1275325747 is 7475235721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275325747 - 2²⁷ = 1141108019 is a prime.

It is a super-2 number, since 2×1275325747² = 3252911521922216018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1275322747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637662873 + 637662874.

It is an arithmetic number, because the mean of its divisors is an integer number (637662874).

Almost surely, 2^1275325747 is an apocalyptic number.

1275325747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275325747 is an equidigital number, since it uses as much as digits as its factorization.

1275325747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 411600, while the sum is 43.

The square root of 1275325747 is about 35711.7032217731. The cubic root of 1275325747 is about 1084.4437809655.

The spelling of 1275325747 in words is "one billion, two hundred seventy-five million, three hundred twenty-five thousand, seven hundred forty-seven".