318754949 has 2 divisors, whose sum is σ = 318754950. Its totient is φ = 318754948.

The previous prime is 318754903. The next prime is 318754991. The reversal of 318754949 is 949457813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169182049 + 149572900 = 13007^2 + 12230^2 .

It is a cyclic number.

It is not a de Polignac number, because 318754949 - 2⁸ = 318754693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318754897 and 318754906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318751949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159377474 + 159377475.

It is an arithmetic number, because the mean of its divisors is an integer number (159377475).

Almost surely, 2^318754949 is an apocalyptic number.

It is an amenable number.

318754949 is a deficient number, since it is larger than the sum of its proper divisors (1).

318754949 is an equidigital number, since it uses as much as digits as its factorization.

318754949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 318754949 is about 17853.7096705419. The cubic root of 318754949 is about 683.1021393308.

The spelling of 318754949 in words is "three hundred eighteen million, seven hundred fifty-four thousand, nine hundred forty-nine".