319514863 has 2 divisors, whose sum is σ = 319514864. Its totient is φ = 319514862.

The previous prime is 319514809. The next prime is 319514879. The reversal of 319514863 is 368415913.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319514863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319514563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159757431 + 159757432.

It is an arithmetic number, because the mean of its divisors is an integer number (159757432).

Almost surely, 2^319514863 is an apocalyptic number.

319514863 is a deficient number, since it is larger than the sum of its proper divisors (1).

319514863 is an equidigital number, since it uses as much as digits as its factorization.

319514863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 319514863 is about 17874.9786853020. The cubic root of 319514863 is about 683.6445485958.

The spelling of 319514863 in words is "three hundred nineteen million, five hundred fourteen thousand, eight hundred sixty-three".