4513231 has 4 divisors (see below), whose sum is σ = 4531464. Its totient is φ = 4495000.

The previous prime is 4513213. The next prime is 4513247. The reversal of 4513231 is 1323154.

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

It is a cyclic number.

It is not a de Polignac number, because 4513231 - 2¹⁷ = 4382159 is a prime.

It is a super-2 number, since 2×4513231² = 40738508118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4513199 and 4513208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4513031) 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, 8740 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (1132866).

Almost surely, 2^4513231 is an apocalyptic number.

4513231 is a deficient number, since it is larger than the sum of its proper divisors (18233).

4513231 is a wasteful number, since it uses less digits than its factorization.

4513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18232.

The product of its digits is 360, while the sum is 19.

The square root of 4513231 is about 2124.4366312037. The cubic root of 4513231 is about 165.2580107853.

Adding to 4513231 its reverse (1323154), we get a palindrome (5836385).

The spelling of 4513231 in words is "four million, five hundred thirteen thousand, two hundred thirty-one".