4540915 has 4 divisors (see below), whose sum is σ = 5449104. Its totient is φ = 3632728.

The previous prime is 4540909. The next prime is 4540919. The reversal of 4540915 is 5190454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4540915 - 2⁵ = 4540883 is a prime.

It is an Ulam number.

It is a Duffinian number.

4540915 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4540919) 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, 454087 + ... + 454096.

It is an arithmetic number, because the mean of its divisors is an integer number (1362276).

Almost surely, 2^4540915 is an apocalyptic number.

4540915 is a deficient number, since it is larger than the sum of its proper divisors (908189).

4540915 is an equidigital number, since it uses as much as digits as its factorization.

4540915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908188.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4540915 is about 2130.9422798377. The cubic root of 4540915 is about 165.5952178561.

The spelling of 4540915 in words is "four million, five hundred forty thousand, nine hundred fifteen".