4651231 has 4 divisors (see below), whose sum is σ = 5009032. Its totient is φ = 4293432.

The previous prime is 4651201. The next prime is 4651249. The reversal of 4651231 is 1321564.

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

It is not a de Polignac number, because 4651231 - 2⁹ = 4650719 is a prime.

It is a super-2 number, since 2×4651231² = 43267899630722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651201) 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, 178881 + ... + 178906.

It is an arithmetic number, because the mean of its divisors is an integer number (1252258).

Almost surely, 2^4651231 is an apocalyptic number.

4651231 is a deficient number, since it is larger than the sum of its proper divisors (357801).

4651231 is a wasteful number, since it uses less digits than its factorization.

4651231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357800.

The product of its digits is 720, while the sum is 22.

The square root of 4651231 is about 2156.6712776870. The cubic root of 4651231 is about 166.9254809939.

Adding to 4651231 its reverse (1321564), we get a palindrome (5972795).

It can be divided in two parts, 465123 and 1, that added together give a square (465124 = 682²).

The spelling of 4651231 in words is "four million, six hundred fifty-one thousand, two hundred thirty-one".