4200581 has 16 divisors (see below), whose sum is σ = 5546880. Its totient is φ = 3079680.

The previous prime is 4200529. The next prime is 4200583. The reversal of 4200581 is 1850024.

It is a cyclic number.

It is not a de Polignac number, because 4200581 - 2¹⁰ = 4199557 is a prime.

It is a super-2 number, since 2×4200581² = 35289761475122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200583) 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, 296 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (346680).

Almost surely, 2^4200581 is an apocalyptic number.

It is an amenable number.

4200581 is a deficient number, since it is larger than the sum of its proper divisors (1346299).

4200581 is a wasteful number, since it uses less digits than its factorization.

4200581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 4200581 is about 2049.5318977757. The cubic root of 4200581 is about 161.3503039582.

The spelling of 4200581 in words is "four million, two hundred thousand, five hundred eighty-one".