1312552783 has 2 divisors, whose sum is σ = 1312552784. Its totient is φ = 1312552782.

The previous prime is 1312552777. The next prime is 1312552807. The reversal of 1312552783 is 3872552131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312552783 - 2⁵ = 1312552751 is a prime.

It is a super-2 number, since 2×1312552783² = 3445589616322090178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312552733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656276391 + 656276392.

It is an arithmetic number, because the mean of its divisors is an integer number (656276392).

Almost surely, 2^1312552783 is an apocalyptic number.

1312552783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312552783 is an equidigital number, since it uses as much as digits as its factorization.

1312552783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 1312552783 is about 36229.1703327581. The cubic root of 1312552783 is about 1094.8944618647.

The spelling of 1312552783 in words is "one billion, three hundred twelve million, five hundred fifty-two thousand, seven hundred eighty-three".