4520534 has 4 divisors (see below), whose sum is σ = 6780804. Its totient is φ = 2260266.

The previous prime is 4520533. The next prime is 4520539. The reversal of 4520534 is 4350254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4350254 = 2 ⋅2175127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130132 + ... + 1130135.

It is an arithmetic number, because the mean of its divisors is an integer number (1695201).

Almost surely, 2^4520534 is an apocalyptic number.

4520534 is a deficient number, since it is larger than the sum of its proper divisors (2260270).

4520534 is a wasteful number, since it uses less digits than its factorization.

4520534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260269.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4520534 is about 2126.1547450738. The cubic root of 4520534 is about 165.3470991327.

Adding to 4520534 its reverse (4350254), we get a palindrome (8870788).

The spelling of 4520534 in words is "four million, five hundred twenty thousand, five hundred thirty-four".