6143261 has 4 divisors (see below), whose sum is σ = 6148224. Its totient is φ = 6138300.

The previous prime is 6143243. The next prime is 6143279. The reversal of 6143261 is 1623416.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6143243) and next prime (6143279).

It is a cyclic number.

It is not a de Polignac number, because 6143261 - 2⁶ = 6143197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 3666.

It is an arithmetic number, because the mean of its divisors is an integer number (1537056).

Almost surely, 2^6143261 is an apocalyptic number.

It is an amenable number.

6143261 is a deficient number, since it is larger than the sum of its proper divisors (4963).

6143261 is a wasteful number, since it uses less digits than its factorization.

6143261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its digits is 864, while the sum is 23.

The square root of 6143261 is about 2478.5602675747. The cubic root of 6143261 is about 183.1469352517.

Adding to 6143261 its reverse (1623416), we get a palindrome (7766677).

The spelling of 6143261 in words is "six million, one hundred forty-three thousand, two hundred sixty-one".