5145591 has 16 divisors (see below), whose sum is σ = 7527168. Its totient is φ = 3100800.

The previous prime is 5145589. The next prime is 5145593. The reversal of 5145591 is 1955415.

It is an interprime number because it is at equal distance from previous prime (5145589) and next prime (5145593).

It is not a de Polignac number, because 5145591 - 2¹ = 5145589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630 + ... + 8276.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 2^5145591 is an apocalyptic number.

5145591 is a deficient number, since it is larger than the sum of its proper divisors (2381577).

5145591 is a wasteful number, since it uses less digits than its factorization.

5145591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its digits is 4500, while the sum is 30.

The square root of 5145591 is about 2268.3895168158. The cubic root of 5145591 is about 172.6414550695.

It can be divided in two parts, 514 and 5591, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 5145591 in words is "five million, one hundred forty-five thousand, five hundred ninety-one".