5811457 has 4 divisors (see below), whose sum is σ = 5891140. Its totient is φ = 5731776.

The previous prime is 5811437. The next prime is 5811461. The reversal of 5811457 is 7541185.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 2005056 = 1951^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 5811457 - 2¹⁹ = 5287169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5811437) 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, 39732 + ... + 39877.

It is an arithmetic number, because the mean of its divisors is an integer number (1472785).

Almost surely, 2^5811457 is an apocalyptic number.

It is an amenable number.

5811457 is a deficient number, since it is larger than the sum of its proper divisors (79683).

5811457 is an equidigital number, since it uses as much as digits as its factorization.

5811457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79682.

The product of its digits is 5600, while the sum is 31.

The square root of 5811457 is about 2410.6963724202. The cubic root of 5811457 is about 179.7884036218.

The spelling of 5811457 in words is "five million, eight hundred eleven thousand, four hundred fifty-seven".