4231573 has 4 divisors (see below), whose sum is σ = 4311468. Its totient is φ = 4151680.

The previous prime is 4231567. The next prime is 4231603. The reversal of 4231573 is 3751324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 1214404 = 1737^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231573 - 2⁵ = 4231541 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2²¹ + 3 + 1 + 5⁹ + 7² + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231553) 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, 39868 + ... + 39973.

It is an arithmetic number, because the mean of its divisors is an integer number (1077867).

Almost surely, 2^4231573 is an apocalyptic number.

It is an amenable number.

4231573 is a deficient number, since it is larger than the sum of its proper divisors (79895).

4231573 is an equidigital number, since it uses as much as digits as its factorization.

4231573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79894.

The product of its digits is 2520, while the sum is 25.

The square root of 4231573 is about 2057.0787539615. The cubic root of 4231573 is about 161.7461476659.

Adding to 4231573 its reverse (3751324), we get a palindrome (7982897).

Subtracting from 4231573 its reverse (3751324), we obtain a square (480249 = 693²).

The spelling of 4231573 in words is "four million, two hundred thirty-one thousand, five hundred seventy-three".