4521165 has 48 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 2104960.

The previous prime is 4521157. The next prime is 4521173. The reversal of 4521165 is 5611254.

It is an interprime number because it is at equal distance from previous prime (4521157) and next prime (4521173).

It is not a de Polignac number, because 4521165 - 2³ = 4521157 is a prime.

It is an Ulam number.

It is a Curzon number.

4521165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85279 + ... + 85331.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

Almost surely, 2^4521165 is an apocalyptic number.

It is an amenable number.

4521165 is a deficient number, since it is larger than the sum of its proper divisors (3752499).

4521165 is a wasteful number, since it uses less digits than its factorization.

4521165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 4521165 is about 2126.3031298477. The cubic root of 4521165 is about 165.3547921151.

The spelling of 4521165 in words is "four million, five hundred twenty-one thousand, one hundred sixty-five".