4620581 has 16 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 3777840.

The previous prime is 4620571. The next prime is 4620589. The reversal of 4620581 is 1850264.

It is a cyclic number.

It is not a de Polignac number, because 4620581 - 2¹⁰ = 4619557 is a prime.

It is a super-2 number, since 2×4620581² = 42699537555122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4620581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23120 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

Almost surely, 2^4620581 is an apocalyptic number.

It is an amenable number.

4620581 is a deficient number, since it is larger than the sum of its proper divisors (909019).

4620581 is a wasteful number, since it uses less digits than its factorization.

4620581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4620581 is about 2149.5536746032. The cubic root of 4620581 is about 166.5580122919.

The spelling of 4620581 in words is "four million, six hundred twenty thousand, five hundred eighty-one".