5811051 has 4 divisors (see below), whose sum is σ = 7748072. Its totient is φ = 3874032.

The previous prime is 5811011. The next prime is 5811061. The reversal of 5811051 is 1501185.

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

It is not a de Polignac number, because 5811051 - 2¹⁷ = 5679979 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5811011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968506 + ... + 968511.

It is an arithmetic number, because the mean of its divisors is an integer number (1937018).

Almost surely, 2^5811051 is an apocalyptic number.

5811051 is a deficient number, since it is larger than the sum of its proper divisors (1937021).

5811051 is a wasteful number, since it uses less digits than its factorization.

5811051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937020.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 5811051 is about 2410.6121629163. The cubic root of 5811051 is about 179.7842167319.

The spelling of 5811051 in words is "five million, eight hundred eleven thousand, fifty-one".