2255395081 has 3 divisors (see below), whose sum is σ = 2255442573. Its totient is φ = 2255347590.

The previous prime is 2255395039. The next prime is 2255395091. The reversal of 2255395081 is 1805935522.

The square root of 2255395081 is 47491.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2255395081 - 2¹¹ = 2255393033 is a prime.

It is a super-2 number, since 2×2255395081² = 10173613942797993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255395091) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23746 + ... + 71236.

It is an arithmetic number, because the mean of its divisors is an integer number (751814191).

Almost surely, 2^2255395081 is an apocalyptic number.

2255395081 is the 47491-st square number.

2255395081 is the 23746-th centered octagonal number.

It is an amenable number.

2255395081 is a deficient number, since it is larger than the sum of its proper divisors (47492).

2255395081 is an frugal number, since it uses more digits than its factorization.

2255395081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94982 (or 47491 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The cubic root of 2255395081 is about 1311.4172027449.

The spelling of 2255395081 in words is "two billion, two hundred fifty-five million, three hundred ninety-five thousand, eighty-one".