5478591 has 4 divisors (see below), whose sum is σ = 7304792. Its totient is φ = 3652392.

The previous prime is 5478589. The next prime is 5478611. The reversal of 5478591 is 1958745.

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

It is not a de Polignac number, because 5478591 - 2¹ = 5478589 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478541) 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, 913096 + ... + 913101.

It is an arithmetic number, because the mean of its divisors is an integer number (1826198).

Almost surely, 2^5478591 is an apocalyptic number.

5478591 is a deficient number, since it is larger than the sum of its proper divisors (1826201).

5478591 is a wasteful number, since it uses less digits than its factorization.

5478591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826200.

The product of its digits is 50400, while the sum is 39.

The square root of 5478591 is about 2340.6390153118. The cubic root of 5478591 is about 176.2880849241.

The spelling of 5478591 in words is "five million, four hundred seventy-eight thousand, five hundred ninety-one".