68322151 has 2 divisors, whose sum is σ = 68322152. Its totient is φ = 68322150.

The previous prime is 68322131. The next prime is 68322179. The reversal of 68322151 is 15122386.

It is an a-pointer prime, because the next prime (68322179) can be obtained adding 68322151 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68322151 - 2²¹ = 66224999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34161075 + 34161076.

It is an arithmetic number, because the mean of its divisors is an integer number (34161076).

Almost surely, 2^68322151 is an apocalyptic number.

68322151 is a deficient number, since it is larger than the sum of its proper divisors (1).

68322151 is an equidigital number, since it uses as much as digits as its factorization.

68322151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 68322151 is about 8265.7214446169. The cubic root of 68322151 is about 408.8090583551.

The spelling of 68322151 in words is "sixty-eight million, three hundred twenty-two thousand, one hundred fifty-one".