1078313263 has 2 divisors, whose sum is σ = 1078313264. Its totient is φ = 1078313262.

The previous prime is 1078313261. The next prime is 1078313267. The reversal of 1078313263 is 3623138701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078313263 - 2¹ = 1078313261 is a prime.

Together with 1078313261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078313261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539156631 + 539156632.

It is an arithmetic number, because the mean of its divisors is an integer number (539156632).

Almost surely, 2^1078313263 is an apocalyptic number.

1078313263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078313263 is an equidigital number, since it uses as much as digits as its factorization.

1078313263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1078313263 is about 32837.6805362376. The cubic root of 1078313263 is about 1025.4511638297.

The spelling of 1078313263 in words is "one billion, seventy-eight million, three hundred thirteen thousand, two hundred sixty-three".