5130581 has 4 divisors (see below), whose sum is σ = 5217600. Its totient is φ = 5043564.

The previous prime is 5130577. The next prime is 5130607. The reversal of 5130581 is 1850315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5130581 - 2² = 5130577 is a prime.

It is a super-2 number, since 2×5130581² = 52645722795122, 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 (5130511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43421 + ... + 43538.

It is an arithmetic number, because the mean of its divisors is an integer number (1304400).

Almost surely, 2^5130581 is an apocalyptic number.

It is an amenable number.

5130581 is a deficient number, since it is larger than the sum of its proper divisors (87019).

5130581 is an equidigital number, since it uses as much as digits as its factorization.

5130581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87018.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5130581 is about 2265.0785858332. The cubic root of 5130581 is about 172.4734230567.

Adding to 5130581 its reverse (1850315), we get a palindrome (6980896).

The spelling of 5130581 in words is "five million, one hundred thirty thousand, five hundred eighty-one".