4085513 has 8 divisors (see below), whose sum is σ = 4488000. Its totient is φ = 3701808.

The previous prime is 4085507. The next prime is 4085519. The reversal of 4085513 is 3155804.

It is an interprime number because it is at equal distance from previous prime (4085507) and next prime (4085519).

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

It is not a de Polignac number, because 4085513 - 2²⁰ = 3036937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085519) 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, 4238 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (561000).

Almost surely, 2^4085513 is an apocalyptic number.

It is an amenable number.

4085513 is a deficient number, since it is larger than the sum of its proper divisors (402487).

4085513 is a wasteful number, since it uses less digits than its factorization.

4085513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4085513 is about 2021.2651978402. The cubic root of 4085513 is about 159.8633338188.

The spelling of 4085513 in words is "four million, eighty-five thousand, five hundred thirteen".