68150471 has 2 divisors, whose sum is σ = 68150472. Its totient is φ = 68150470.

The previous prime is 68150441. The next prime is 68150477. The reversal of 68150471 is 17405186.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68150471 is a prime.

It is a super-3 number, since 3×68150471³ (a number of 24 digits) contains 333 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 (68150477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34075235 + 34075236.

It is an arithmetic number, because the mean of its divisors is an integer number (34075236).

Almost surely, 2^68150471 is an apocalyptic number.

68150471 is a deficient number, since it is larger than the sum of its proper divisors (1).

68150471 is an equidigital number, since it uses as much as digits as its factorization.

68150471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 68150471 is about 8255.3298541003. The cubic root of 68150471 is about 408.4663524794.

The spelling of 68150471 in words is "sixty-eight million, one hundred fifty thousand, four hundred seventy-one".