83801603 has 2 divisors, whose sum is σ = 83801604. Its totient is φ = 83801602.

The previous prime is 83801579. The next prime is 83801671. The reversal of 83801603 is 30610838.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83801603 is a prime.

It is not a weakly prime, because it can be changed into another prime (83801693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41900801 + 41900802.

It is an arithmetic number, because the mean of its divisors is an integer number (41900802).

Almost surely, 2^83801603 is an apocalyptic number.

83801603 is a deficient number, since it is larger than the sum of its proper divisors (1).

83801603 is an equidigital number, since it uses as much as digits as its factorization.

83801603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 83801603 is about 9154.3215477719. The cubic root of 83801603 is about 437.6068471551.

The spelling of 83801603 in words is "eighty-three million, eight hundred one thousand, six hundred three".