4540513 has 8 divisors (see below), whose sum is σ = 4863240. Its totient is φ = 4224000.

The previous prime is 4540507. The next prime is 4540517. The reversal of 4540513 is 3150454.

It can be written as a sum of positive squares in 4 ways, for example, as 667489 + 3873024 = 817^2 + 1968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4540513 - 2²¹ = 2443361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (607905).

Almost surely, 2^4540513 is an apocalyptic number.

It is an amenable number.

4540513 is a deficient number, since it is larger than the sum of its proper divisors (322727).

4540513 is a wasteful number, since it uses less digits than its factorization.

4540513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4540513 is about 2130.8479532806. The cubic root of 4540513 is about 165.5903310846.

Adding to 4540513 its reverse (3150454), we get a palindrome (7690967).

The spelling of 4540513 in words is "four million, five hundred forty thousand, five hundred thirteen".