68313353 has 2 divisors, whose sum is σ = 68313354. Its totient is φ = 68313352.

The previous prime is 68313347. The next prime is 68313373. The reversal of 68313353 is 35331386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67289209 + 1024144 = 8203^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 68313353 - 2⁴ = 68313337 is a prime.

It is equal to p_4024697 and since 68313353 and 4024697 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (68313373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34156676 + 34156677.

It is an arithmetic number, because the mean of its divisors is an integer number (34156677).

Almost surely, 2^68313353 is an apocalyptic number.

It is an amenable number.

68313353 is a deficient number, since it is larger than the sum of its proper divisors (1).

68313353 is an equidigital number, since it uses as much as digits as its factorization.

68313353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 68313353 is about 8265.1892295337. The cubic root of 68313353 is about 408.7915098420.

The spelling of 68313353 in words is "sixty-eight million, three hundred thirteen thousand, three hundred fifty-three".