4013569 has 16 divisors (see below), whose sum is σ = 4854528. Its totient is φ = 3244032.

The previous prime is 4013567. The next prime is 4013573. The reversal of 4013569 is 9653104.

4013569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4013569 - 2¹ = 4013567 is a prime.

It is a super-2 number, since 2×4013569² = 32217472235522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15489 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (303408).

Almost surely, 2^4013569 is an apocalyptic number.

It is an amenable number.

4013569 is a deficient number, since it is larger than the sum of its proper divisors (840959).

4013569 is a wasteful number, since it uses less digits than its factorization.

4013569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 4013569 is about 2003.3893780291. The cubic root of 4013569 is about 158.9193979880.

It can be divided in two parts, 40135 and 69, that added together give a palindrome (40204).

The spelling of 4013569 in words is "four million, thirteen thousand, five hundred sixty-nine".