4550531 has 4 divisors (see below), whose sum is σ = 4560864. Its totient is φ = 4540200.

The previous prime is 4550501. The next prime is 4550563. The reversal of 4550531 is 1350554.

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 4550531 - 2¹⁰ = 4549507 is a prime.

It is a super-2 number, since 2×4550531² = 41414664763922, 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 = 4550497 and 4550506.

It is not an unprimeable number, because it can be changed into a prime (4550501) 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, 4475 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (1140216).

Almost surely, 2^4550531 is an apocalyptic number.

4550531 is a deficient number, since it is larger than the sum of its proper divisors (10333).

4550531 is an equidigital number, since it uses as much as digits as its factorization.

4550531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 4550531 is about 2133.1973654587. The cubic root of 4550531 is about 165.7120255127.

Adding to 4550531 its sum of digits (23), we get a palindrome (4550554).

The spelling of 4550531 in words is "four million, five hundred fifty thousand, five hundred thirty-one".