5181573 has 4 divisors (see below), whose sum is σ = 6908768. Its totient is φ = 3454380.

The previous prime is 5181569. The next prime is 5181581. The reversal of 5181573 is 3751815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5181573 - 2² = 5181569 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5181573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181563) 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, 863593 + ... + 863598.

It is an arithmetic number, because the mean of its divisors is an integer number (1727192).

Almost surely, 2^5181573 is an apocalyptic number.

It is an amenable number.

5181573 is a deficient number, since it is larger than the sum of its proper divisors (1727195).

5181573 is a wasteful number, since it uses less digits than its factorization.

5181573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727194.

The product of its digits is 4200, while the sum is 30.

The square root of 5181573 is about 2276.3068773784. The cubic root of 5181573 is about 173.0429354268.

The spelling of 5181573 in words is "five million, one hundred eighty-one thousand, five hundred seventy-three".