4520546 has 4 divisors (see below), whose sum is σ = 6780822. Its totient is φ = 2260272.

The previous prime is 4520543. The next prime is 4520563. The reversal of 4520546 is 6450254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6450254 = 2 ⋅3225127.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 1079521 = 1855^2 + 1039^2 .

It is a super-2 number, since 2×4520546² = 40870672276232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4520543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130135 + ... + 1130138.

Almost surely, 2^4520546 is an apocalyptic number.

4520546 is a deficient number, since it is larger than the sum of its proper divisors (2260276).

4520546 is a wasteful number, since it uses less digits than its factorization.

4520546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260275.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4520546 is about 2126.1575670679. The cubic root of 4520546 is about 165.3472454402.

The spelling of 4520546 in words is "four million, five hundred twenty thousand, five hundred forty-six".