68532983 has 2 divisors, whose sum is σ = 68532984. Its totient is φ = 68532982.

The previous prime is 68532973. The next prime is 68533009. The reversal of 68532983 is 38923586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68532983 - 2¹⁴ = 68516599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68532953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34266491 + 34266492.

It is an arithmetic number, because the mean of its divisors is an integer number (34266492).

Almost surely, 2^68532983 is an apocalyptic number.

68532983 is a deficient number, since it is larger than the sum of its proper divisors (1).

68532983 is an equidigital number, since it uses as much as digits as its factorization.

68532983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 68532983 is about 8278.4650147234. The cubic root of 68532983 is about 409.2291345445.

The spelling of 68532983 in words is "sixty-eight million, five hundred thirty-two thousand, nine hundred eighty-three".