4623531 has 24 divisors (see below), whose sum is σ = 6945792. Its totient is φ = 2732400.

The previous prime is 4623527. The next prime is 4623539. The reversal of 4623531 is 1353264.

It is a happy number.

It is not a de Polignac number, because 4623531 - 2² = 4623527 is a prime.

It is a super-2 number, since 2×4623531² = 42754077815922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16926 + ... + 17196.

It is an arithmetic number, because the mean of its divisors is an integer number (289408).

Almost surely, 2^4623531 is an apocalyptic number.

4623531 is a deficient number, since it is larger than the sum of its proper divisors (2322261).

4623531 is a wasteful number, since it uses less digits than its factorization.

4623531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 332 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 4623531 is about 2150.2397540739. The cubic root of 4623531 is about 166.5934509526.

Adding to 4623531 its reverse (1353264), we get a palindrome (5976795).

It can be divided in two parts, 462 and 3531, that added together give a palindrome (3993).

The spelling of 4623531 in words is "four million, six hundred twenty-three thousand, five hundred thirty-one".