5022581 has 4 divisors (see below), whose sum is σ = 5029164. Its totient is φ = 5016000.

The previous prime is 5022571. The next prime is 5022607. The reversal of 5022581 is 1852205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1852205 = 5 ⋅370441.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 2430481 = 1610^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 5022581 - 2²² = 828277 is a prime.

It is a super-2 number, since 2×5022581² = 50452639803122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5022571) 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, 1970 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (1257291).

Almost surely, 2^5022581 is an apocalyptic number.

It is an amenable number.

5022581 is a deficient number, since it is larger than the sum of its proper divisors (6583).

5022581 is an equidigital number, since it uses as much as digits as its factorization.

5022581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5022581 is about 2241.1115545639. Note that the first 3 decimals coincide. The cubic root of 5022581 is about 171.2546278963.

Adding to 5022581 its reverse (1852205), we get a palindrome (6874786).

The spelling of 5022581 in words is "five million, twenty-two thousand, five hundred eighty-one".