6231612261 has 32 divisors (see below), whose sum is σ = 9794573568. Its totient is φ = 3449710080.

The previous prime is 6231612239. The next prime is 6231612301. The reversal of 6231612261 is 1622161326.

It is not a de Polignac number, because 6231612261 - 2²² = 6227417957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231612161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163831 + ... + 198251.

It is an arithmetic number, because the mean of its divisors is an integer number (306080424).

Almost surely, 2^6231612261 is an apocalyptic number.

It is an amenable number.

6231612261 is a deficient number, since it is larger than the sum of its proper divisors (3562961307).

6231612261 is a wasteful number, since it uses less digits than its factorization.

6231612261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34701.

The product of its digits is 5184, while the sum is 30.

The square root of 6231612261 is about 78940.5615700826. The cubic root of 6231612261 is about 1840.2075479689.

Adding to 6231612261 its reverse (1622161326), we get a palindrome (7853773587).

The spelling of 6231612261 in words is "six billion, two hundred thirty-one million, six hundred twelve thousand, two hundred sixty-one".