68183903 has 2 divisors, whose sum is σ = 68183904. Its totient is φ = 68183902.

The previous prime is 68183851. The next prime is 68183953. The reversal of 68183903 is 30938186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68183903 - 2¹² = 68179807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68183953) 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, 34091951 + 34091952.

It is an arithmetic number, because the mean of its divisors is an integer number (34091952).

Almost surely, 2^68183903 is an apocalyptic number.

68183903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68183903 is an equidigital number, since it uses as much as digits as its factorization.

68183903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68183903 is about 8257.3544794928. The cubic root of 68183903 is about 408.5331341880.

The spelling of 68183903 in words is "sixty-eight million, one hundred eighty-three thousand, nine hundred three".