1312501283 has 2 divisors, whose sum is σ = 1312501284. Its totient is φ = 1312501282.

The previous prime is 1312501249. The next prime is 1312501297. The reversal of 1312501283 is 3821052131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312501283 - 2⁸ = 1312501027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312501213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656250641 + 656250642.

It is an arithmetic number, because the mean of its divisors is an integer number (656250642).

Almost surely, 2^1312501283 is an apocalyptic number.

1312501283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312501283 is an equidigital number, since it uses as much as digits as its factorization.

1312501283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1312501283 is about 36228.4595725515. The cubic root of 1312501283 is about 1094.8801417289.

The spelling of 1312501283 in words is "one billion, three hundred twelve million, five hundred one thousand, two hundred eighty-three".