5391591 has 8 divisors (see below), whose sum is σ = 7501440. Its totient is φ = 3438072.

The previous prime is 5391587. The next prime is 5391619. The reversal of 5391591 is 1951935.

5391591 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 5391591 - 2² = 5391587 is a prime.

It is a super-2 number, since 2×5391591² = 58138507022562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39001 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (937680).

Almost surely, 2^5391591 is an apocalyptic number.

5391591 is a deficient number, since it is larger than the sum of its proper divisors (2109849).

5391591 is a wasteful number, since it uses less digits than its factorization.

5391591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78165.

The product of its digits is 6075, while the sum is 33.

The square root of 5391591 is about 2321.9799740739. The cubic root of 5391591 is about 175.3499500734.

The spelling of 5391591 in words is "five million, three hundred ninety-one thousand, five hundred ninety-one".