84931603 has 2 divisors, whose sum is σ = 84931604. Its totient is φ = 84931602.

The previous prime is 84931597. The next prime is 84931657. The reversal of 84931603 is 30613948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84931603 - 2²⁵ = 51377171 is a prime.

It is not a weakly prime, because it can be changed into another prime (84931003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42465801 + 42465802.

It is an arithmetic number, because the mean of its divisors is an integer number (42465802).

Almost surely, 2^84931603 is an apocalyptic number.

84931603 is a deficient number, since it is larger than the sum of its proper divisors (1).

84931603 is an equidigital number, since it uses as much as digits as its factorization.

84931603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 84931603 is about 9215.8343626608. The cubic root of 84931603 is about 439.5650022519.

The spelling of 84931603 in words is "eighty-four million, nine hundred thirty-one thousand, six hundred three".