4891063 has 2 divisors, whose sum is σ = 4891064. Its totient is φ = 4891062.

The previous prime is 4891057. The next prime is 4891079. The reversal of 4891063 is 3601984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4891063 - 2²¹ = 2793911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4891043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445531 + 2445532.

It is an arithmetic number, because the mean of its divisors is an integer number (2445532).

Almost surely, 2^4891063 is an apocalyptic number.

4891063 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891063 is an equidigital number, since it uses as much as digits as its factorization.

4891063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4891063 is about 2211.5747782971. The cubic root of 4891063 is about 169.7466005596.

The spelling of 4891063 in words is "four million, eight hundred ninety-one thousand, sixty-three".