4521424 has 10 divisors (see below), whose sum is σ = 8760290. Its totient is φ = 2260704.

The previous prime is 4521421. The next prime is 4521427. The reversal of 4521424 is 4241254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4521421) and next prime (4521427).

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 1281424 = 1800^2 + 1132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4521395 and 4521404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141279 + ... + 141310.

It is an arithmetic number, because the mean of its divisors is an integer number (876029).

Almost surely, 2^4521424 is an apocalyptic number.

It is an amenable number.

4521424 is a deficient number, since it is larger than the sum of its proper divisors (4238866).

4521424 is a wasteful number, since it uses less digits than its factorization.

4521424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282597 (or 282591 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 4521424 is about 2126.3640328034. The cubic root of 4521424 is about 165.3579495663.

Adding to 4521424 its reverse (4241254), we get a palindrome (8762678).

The spelling of 4521424 in words is "four million, five hundred twenty-one thousand, four hundred twenty-four".