5255891 has 4 divisors (see below), whose sum is σ = 5484432. Its totient is φ = 5027352.

The previous prime is 5255879. The next prime is 5255903. The reversal of 5255891 is 1985525.

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

It is an interprime number because it is at equal distance from previous prime (5255879) and next prime (5255903).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5255891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5255801) 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, 114236 + ... + 114281.

It is an arithmetic number, because the mean of its divisors is an integer number (1371108).

Almost surely, 2^5255891 is an apocalyptic number.

5255891 is a deficient number, since it is larger than the sum of its proper divisors (228541).

5255891 is a wasteful number, since it uses less digits than its factorization.

5255891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228540.

The product of its digits is 18000, while the sum is 35.

The square root of 5255891 is about 2292.5730086521. The cubic root of 5255891 is about 173.8663151605.

The spelling of 5255891 in words is "five million, two hundred fifty-five thousand, eight hundred ninety-one".