4143261 has 8 divisors (see below), whose sum is σ = 5600320. Its totient is φ = 2724192.

The previous prime is 4143253. The next prime is 4143281. The reversal of 4143261 is 1623414.

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

It is not a de Polignac number, because 4143261 - 2³ = 4143253 is a prime.

It is a super-2 number, since 2×4143261² = 34333223428242, which contains 22 as substring.

It is the 2036-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143221) by changing a digit.

It is a nontrivial repunit in base 2035.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9241 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (700040).

Almost surely, 2^4143261 is an apocalyptic number.

It is an amenable number.

4143261 is a deficient number, since it is larger than the sum of its proper divisors (1457059).

4143261 is a wasteful number, since it uses less digits than its factorization.

4143261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18995.

The product of its digits is 576, while the sum is 21.

The square root of 4143261 is about 2035.5001842299. The cubic root of 4143261 is about 160.6130258502.

Adding to 4143261 its reverse (1623414), we get a palindrome (5766675).

The spelling of 4143261 in words is "four million, one hundred forty-three thousand, two hundred sixty-one".