4540863 has 4 divisors (see below), whose sum is σ = 6054488. Its totient is φ = 3027240.

The previous prime is 4540807. The next prime is 4540883. The reversal of 4540863 is 3680454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4540863 - 2⁸ = 4540607 is a prime.

It is a D-number.

It is a Duffinian number.

4540863 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4540863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540883) 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 in 3 ways as a sum of consecutive naturals, for example, 756808 + ... + 756813.

It is an arithmetic number, because the mean of its divisors is an integer number (1513622).

Almost surely, 2^4540863 is an apocalyptic number.

4540863 is a deficient number, since it is larger than the sum of its proper divisors (1513625).

4540863 is a wasteful number, since it uses less digits than its factorization.

4540863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513624.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4540863 is about 2130.9300786276. The cubic root of 4540863 is about 165.5945857526.

The spelling of 4540863 in words is "four million, five hundred forty thousand, eight hundred sixty-three".