68285351 has 2 divisors, whose sum is σ = 68285352. Its totient is φ = 68285350.

The previous prime is 68285323. The next prime is 68285363. The reversal of 68285351 is 15358286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68285351 is a prime.

It is a super-2 number, since 2×68285351² = 9325778322386402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68285051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34142675 + 34142676.

It is an arithmetic number, because the mean of its divisors is an integer number (34142676).

Almost surely, 2^68285351 is an apocalyptic number.

68285351 is a deficient number, since it is larger than the sum of its proper divisors (1).

68285351 is an equidigital number, since it uses as much as digits as its factorization.

68285351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 68285351 is about 8263.4950838008. The cubic root of 68285351 is about 408.7356469505.

The spelling of 68285351 in words is "sixty-eight million, two hundred eighty-five thousand, three hundred fifty-one".