68956249 has 2 divisors, whose sum is σ = 68956250. Its totient is φ = 68956248.

The previous prime is 68956241. The next prime is 68956259. The reversal of 68956249 is 94265986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 3459600 = 8093^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 68956249 - 2³ = 68956241 is a prime.

It is not a weakly prime, because it can be changed into another prime (68956241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34478124 + 34478125.

It is an arithmetic number, because the mean of its divisors is an integer number (34478125).

Almost surely, 2^68956249 is an apocalyptic number.

It is an amenable number.

68956249 is a deficient number, since it is larger than the sum of its proper divisors (1).

68956249 is an equidigital number, since it uses as much as digits as its factorization.

68956249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 68956249 is about 8303.9899445989. The cubic root of 68956249 is about 410.0698849741.

The spelling of 68956249 in words is "sixty-eight million, nine hundred fifty-six thousand, two hundred forty-nine".