68611351 has 2 divisors, whose sum is σ = 68611352. Its totient is φ = 68611350.

The previous prime is 68611349. The next prime is 68611391. The reversal of 68611351 is 15311686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68611351 - 2¹ = 68611349 is a prime.

Together with 68611349, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68611331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305675 + 34305676.

It is an arithmetic number, because the mean of its divisors is an integer number (34305676).

Almost surely, 2^68611351 is an apocalyptic number.

68611351 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611351 is an equidigital number, since it uses as much as digits as its factorization.

68611351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 68611351 is about 8283.1969069919. The cubic root of 68611351 is about 409.3850606933.

The spelling of 68611351 in words is "sixty-eight million, six hundred eleven thousand, three hundred fifty-one".