5422521 has 16 divisors (see below), whose sum is σ = 7843136. Its totient is φ = 3312576.

The previous prime is 5422517. The next prime is 5422553. The reversal of 5422521 is 1252245.

It is a happy number.

It is not a de Polignac number, because 5422521 - 2² = 5422517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5422321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5931 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (490196).

Almost surely, 2^5422521 is an apocalyptic number.

It is an amenable number.

5422521 is a deficient number, since it is larger than the sum of its proper divisors (2420615).

5422521 is a wasteful number, since it uses less digits than its factorization.

5422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its digits is 800, while the sum is 21.

The square root of 5422521 is about 2328.6307135310. The cubic root of 5422521 is about 175.6846215846.

Adding to 5422521 its reverse (1252245), we get a palindrome (6674766).

The spelling of 5422521 in words is "five million, four hundred twenty-two thousand, five hundred twenty-one".