2255331261 has 8 divisors (see below), whose sum is σ = 3019586944. Its totient is φ = 1497314880.

The previous prime is 2255331229. The next prime is 2255331269. The reversal of 2255331261 is 1621335522.

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

It is not a de Polignac number, because 2255331261 - 2⁵ = 2255331229 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 (2255331269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558981 + ... + 1560426.

It is an arithmetic number, because the mean of its divisors is an integer number (377448368).

Almost surely, 2^2255331261 is an apocalyptic number.

It is an amenable number.

2255331261 is a deficient number, since it is larger than the sum of its proper divisors (764255683).

2255331261 is a wasteful number, since it uses less digits than its factorization.

2255331261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119651.

The product of its digits is 10800, while the sum is 30.

The square root of 2255331261 is about 47490.3280784625. The cubic root of 2255331261 is about 1311.4048330813.

Adding to 2255331261 its reverse (1621335522), we get a palindrome (3876666783).

The spelling of 2255331261 in words is "two billion, two hundred fifty-five million, three hundred thirty-one thousand, two hundred sixty-one".