4542515 has 4 divisors (see below), whose sum is σ = 5451024. Its totient is φ = 3634008.

The previous prime is 4542511. The next prime is 4542521. The reversal of 4542515 is 5152454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5152454 = 2 ⋅2576227.

It is a cyclic number.

It is not a de Polignac number, because 4542515 - 2² = 4542511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454247 + ... + 454256.

It is an arithmetic number, because the mean of its divisors is an integer number (1362756).

Almost surely, 2^4542515 is an apocalyptic number.

4542515 is a deficient number, since it is larger than the sum of its proper divisors (908509).

4542515 is an equidigital number, since it uses as much as digits as its factorization.

4542515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908508.

The product of its digits is 4000, while the sum is 26.

The square root of 4542515 is about 2131.3176675475. The cubic root of 4542515 is about 165.6146648351.

Adding to 4542515 its reverse (5152454), we get a palindrome (9694969).

The spelling of 4542515 in words is "four million, five hundred forty-two thousand, five hundred fifteen".