2256170261 has 8 divisors (see below), whose sum is σ = 2301364800. Its totient is φ = 2211314688.

The previous prime is 2256170233. The next prime is 2256170309. The reversal of 2256170261 is 1620716522.

2256170261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2256170261 - 2³⁰ = 1182428437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256173261) 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, 71276 + ... + 97941.

It is an arithmetic number, because the mean of its divisors is an integer number (287670600).

Almost surely, 2^2256170261 is an apocalyptic number.

It is an amenable number.

2256170261 is a deficient number, since it is larger than the sum of its proper divisors (45194539).

2256170261 is a wasteful number, since it uses less digits than its factorization.

2256170261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169483.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2256170261 is about 47499.1606346891. The cubic root of 2256170261 is about 1311.5674303704.

Adding to 2256170261 its reverse (1620716522), we get a palindrome (3876886783).

The spelling of 2256170261 in words is "two billion, two hundred fifty-six million, one hundred seventy thousand, two hundred sixty-one".