68071051 has 2 divisors, whose sum is σ = 68071052. Its totient is φ = 68071050.

The previous prime is 68071049. The next prime is 68071057. The reversal of 68071051 is 15017086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68071051 - 2¹ = 68071049 is a prime.

Together with 68071049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68071057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035525 + 34035526.

It is an arithmetic number, because the mean of its divisors is an integer number (34035526).

Almost surely, 2^68071051 is an apocalyptic number.

68071051 is a deficient number, since it is larger than the sum of its proper divisors (1).

68071051 is an equidigital number, since it uses as much as digits as its factorization.

68071051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 68071051 is about 8250.5182261480. The cubic root of 68071051 is about 408.3076203532.

The spelling of 68071051 in words is "sixty-eight million, seventy-one thousand, fifty-one".