313494949 has 2 divisors, whose sum is σ = 313494950. Its totient is φ = 313494948.

The previous prime is 313494919. The next prime is 313494967. The reversal of 313494949 is 949494313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313113025 + 381924 = 17695^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 313494949 - 2⁵ = 313494917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313494899 and 313494908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313494919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156747474 + 156747475.

It is an arithmetic number, because the mean of its divisors is an integer number (156747475).

Almost surely, 2^313494949 is an apocalyptic number.

It is an amenable number.

313494949 is a deficient number, since it is larger than the sum of its proper divisors (1).

313494949 is an equidigital number, since it uses as much as digits as its factorization.

313494949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 313494949 is about 17705.7885732322. The cubic root of 313494949 is about 679.3238297350.

The spelling of 313494949 in words is "three hundred thirteen million, four hundred ninety-four thousand, nine hundred forty-nine".