5612891 has 4 divisors (see below), whose sum is σ = 5793984. Its totient is φ = 5431800.

The previous prime is 5612879. The next prime is 5612909. The reversal of 5612891 is 1982165.

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

It is a cyclic number.

It is not a de Polignac number, because 5612891 - 2¹⁰ = 5611867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5612801) 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, 90500 + ... + 90561.

It is an arithmetic number, because the mean of its divisors is an integer number (1448496).

Almost surely, 2^5612891 is an apocalyptic number.

5612891 is a deficient number, since it is larger than the sum of its proper divisors (181093).

5612891 is a wasteful number, since it uses less digits than its factorization.

5612891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181092.

The product of its digits is 4320, while the sum is 32.

The square root of 5612891 is about 2369.1540684388. The cubic root of 5612891 is about 177.7169574790.

The spelling of 5612891 in words is "five million, six hundred twelve thousand, eight hundred ninety-one".