4143485 has 4 divisors (see below), whose sum is σ = 4972188. Its totient is φ = 3314784.

The previous prime is 4143479. The next prime is 4143493. The reversal of 4143485 is 5843414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 3024121 = 1058^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143485 - 2⁶ = 4143421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414344 + ... + 414353.

It is an arithmetic number, because the mean of its divisors is an integer number (1243047).

Almost surely, 2^4143485 is an apocalyptic number.

It is an amenable number.

4143485 is a deficient number, since it is larger than the sum of its proper divisors (828703).

4143485 is an equidigital number, since it uses as much as digits as its factorization.

4143485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828702.

The product of its digits is 7680, while the sum is 29.

The square root of 4143485 is about 2035.5552068170. Note that the first 3 decimals coincide. The cubic root of 4143485 is about 160.6159202426.

Adding to 4143485 its reverse (5843414), we get a palindrome (9986899).

The spelling of 4143485 in words is "four million, one hundred forty-three thousand, four hundred eighty-five".