6331261 has 8 divisors (see below), whose sum is σ = 6519744. Its totient is φ = 6144480.

The previous prime is 6331253. The next prime is 6331267. The reversal of 6331261 is 1621336.

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

It is a cyclic number.

It is not a de Polignac number, because 6331261 - 2³ = 6331253 is a prime.

It is a Duffinian number.

6331261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6331267) 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 7 ways as a sum of consecutive naturals, for example, 12336 + ... + 12838.

It is an arithmetic number, because the mean of its divisors is an integer number (814968).

Almost surely, 2^6331261 is an apocalyptic number.

It is an amenable number.

6331261 is a deficient number, since it is larger than the sum of its proper divisors (188483).

6331261 is a wasteful number, since it uses less digits than its factorization.

6331261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 648, while the sum is 22.

The square root of 6331261 is about 2516.1997138542. The cubic root of 6331261 is about 184.9964547653.

Adding to 6331261 its reverse (1621336), we get a palindrome (7952597).

The spelling of 6331261 in words is "six million, three hundred thirty-one thousand, two hundred sixty-one".