4540163 has 4 divisors (see below), whose sum is σ = 4549368. Its totient is φ = 4530960.

The previous prime is 4540147. The next prime is 4540171. The reversal of 4540163 is 3610454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3610454 = 2 ⋅1805227.

It is a cyclic number.

It is not a de Polignac number, because 4540163 - 2⁴ = 4540147 is a prime.

It is a super-2 number, since 2×4540163² = 41226160133138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3818 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (1137342).

Almost surely, 2^4540163 is an apocalyptic number.

4540163 is a deficient number, since it is larger than the sum of its proper divisors (9205).

4540163 is an equidigital number, since it uses as much as digits as its factorization.

4540163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4540163 is about 2130.7658247682. The cubic root of 4540163 is about 165.5860761979.

The spelling of 4540163 in words is "four million, five hundred forty thousand, one hundred sixty-three".