6988313 has 2 divisors, whose sum is σ = 6988314. Its totient is φ = 6988312.

The previous prime is 6988307. The next prime is 6988321. The reversal of 6988313 is 3138896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 597529 = 2528^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 6988313 - 2⁸ = 6988057 is a prime.

It is not a weakly prime, because it can be changed into another prime (6988213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494156 + 3494157.

It is an arithmetic number, because the mean of its divisors is an integer number (3494157).

Almost surely, 2^6988313 is an apocalyptic number.

It is an amenable number.

6988313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988313 is an equidigital number, since it uses as much as digits as its factorization.

6988313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 6988313 is about 2643.5417530276. The cubic root of 6988313 is about 191.1865998002.

It can be divided in two parts, 69883 and 13, that added together give a palindrome (69896).

The spelling of 6988313 in words is "six million, nine hundred eighty-eight thousand, three hundred thirteen".