4561813 has 8 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 4467840.

The previous prime is 4561807. The next prime is 4561849. The reversal of 4561813 is 3181654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4561813 - 2⁹ = 4561301 is a prime.

It is a Duffinian number.

4561813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12528 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^4561813 is an apocalyptic number.

It is an amenable number.

4561813 is a deficient number, since it is larger than the sum of its proper divisors (95147).

4561813 is a wasteful number, since it uses less digits than its factorization.

4561813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 2880, while the sum is 28.

The square root of 4561813 is about 2135.8401157390. The cubic root of 4561813 is about 165.8488608363.

The spelling of 4561813 in words is "four million, five hundred sixty-one thousand, eight hundred thirteen".