1312535027 has 2 divisors, whose sum is σ = 1312535028. Its totient is φ = 1312535026.

The previous prime is 1312535023. The next prime is 1312535083. The reversal of 1312535027 is 7205352131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312535027 - 2² = 1312535023 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312535023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656267513 + 656267514.

It is an arithmetic number, because the mean of its divisors is an integer number (656267514).

Almost surely, 2^1312535027 is an apocalyptic number.

1312535027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312535027 is an equidigital number, since it uses as much as digits as its factorization.

1312535027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1312535027 is about 36228.9252807753. The cubic root of 1312535027 is about 1094.8895246578.

Adding to 1312535027 its reverse (7205352131), we get a palindrome (8517887158).

The spelling of 1312535027 in words is "one billion, three hundred twelve million, five hundred thirty-five thousand, twenty-seven".