5423521 has 8 divisors (see below), whose sum is σ = 5594400. Its totient is φ = 5254560.

The previous prime is 5423519. The next prime is 5423533. The reversal of 5423521 is 1253245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5423521 - 2¹ = 5423519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5423492 and 5423501.

It is not an unprimeable number, because it can be changed into a prime (5423021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6970 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 2^5423521 is an apocalyptic number.

It is an amenable number.

5423521 is a deficient number, since it is larger than the sum of its proper divisors (170879).

5423521 is a wasteful number, since it uses less digits than its factorization.

5423521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 1200, while the sum is 22.

The square root of 5423521 is about 2328.8454220922. The cubic root of 5423521 is about 175.6954206098.

Adding to 5423521 its reverse (1253245), we get a palindrome (6676766).

The spelling of 5423521 in words is "five million, four hundred twenty-three thousand, five hundred twenty-one".