4540522 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 1822128.

The previous prime is 4540517. The next prime is 4540531. The reversal of 4540522 is 2250454.

It is a junction number, because it is equal to n+sod(n) for n = 4540493 and 4540502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18879 + ... + 19117.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^4540522 is an apocalyptic number.

4540522 is a deficient number, since it is larger than the sum of its proper divisors (3753878).

4540522 is a wasteful number, since it uses less digits than its factorization.

4540522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4540522 is about 2130.8500651149. The cubic root of 4540522 is about 165.5904404931.

Adding to 4540522 its reverse (2250454), we get a palindrome (6790976).

The spelling of 4540522 in words is "four million, five hundred forty thousand, five hundred twenty-two".