5127891 has 8 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 3238632.

The previous prime is 5127877. The next prime is 5127901. The reversal of 5127891 is 1987215.

5127891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5127891 - 2⁷ = 5127763 is a prime.

It is a super-2 number, since 2×5127891² = 52590532215762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44925 + ... + 45038.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^5127891 is an apocalyptic number.

5127891 is a deficient number, since it is larger than the sum of its proper divisors (2069229).

5127891 is a wasteful number, since it uses less digits than its factorization.

5127891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89985.

The product of its digits is 5040, while the sum is 33.

The square root of 5127891 is about 2264.4847095973. The cubic root of 5127891 is about 172.4432747742.

The spelling of 5127891 in words is "five million, one hundred twenty-seven thousand, eight hundred ninety-one".