4131569 has 16 divisors (see below), whose sum is σ = 4804800. Its totient is φ = 3519936.

The previous prime is 4131539. The next prime is 4131577. The reversal of 4131569 is 9651314.

It is a cyclic number.

It is not a de Polignac number, because 4131569 - 2⁸ = 4131313 is a prime.

It is a super-2 number, since 2×4131569² = 34139724803522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4131539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10427 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

Almost surely, 2^4131569 is an apocalyptic number.

It is an amenable number.

4131569 is a deficient number, since it is larger than the sum of its proper divisors (673231).

4131569 is a wasteful number, since it uses less digits than its factorization.

4131569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its digits is 3240, while the sum is 29.

The square root of 4131569 is about 2032.6261338475. The cubic root of 4131569 is about 160.4618038460.

The spelling of 4131569 in words is "four million, one hundred thirty-one thousand, five hundred sixty-nine".