1286452313 has 2 divisors, whose sum is σ = 1286452314. Its totient is φ = 1286452312.

The previous prime is 1286452301. The next prime is 1286452379. The reversal of 1286452313 is 3132546821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1115025664 + 171426649 = 33392^2 + 13093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1286452313 - 2⁶ = 1286452249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1286482313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643226156 + 643226157.

It is an arithmetic number, because the mean of its divisors is an integer number (643226157).

Almost surely, 2^1286452313 is an apocalyptic number.

It is an amenable number.

1286452313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286452313 is an equidigital number, since it uses as much as digits as its factorization.

1286452313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 1286452313 is about 35867.1481024070. The cubic root of 1286452313 is about 1087.5883930089.

The spelling of 1286452313 in words is "one billion, two hundred eighty-six million, four hundred fifty-two thousand, three hundred thirteen".