4013285 has 8 divisors (see below), whose sum is σ = 4933656. Its totient is φ = 3132160.

The previous prime is 4013267. The next prime is 4013287. The reversal of 4013285 is 5823104.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 3621409 = 626^2 + 1903^2 .

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

It is not a de Polignac number, because 4013285 - 2¹⁸ = 3751141 is a prime.

It is a super-2 number, since 2×4013285² = 32212912982450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4013285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013287) 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, 9584 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (616707).

Almost surely, 2^4013285 is an apocalyptic number.

It is an amenable number.

4013285 is a deficient number, since it is larger than the sum of its proper divisors (920371).

4013285 is a wasteful number, since it uses less digits than its factorization.

4013285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19623.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4013285 is about 2003.3184968946. The cubic root of 4013285 is about 158.9156495226.

Adding to 4013285 its reverse (5823104), we get a palindrome (9836389).

The spelling of 4013285 in words is "four million, thirteen thousand, two hundred eighty-five".