2255681258 has 4 divisors (see below), whose sum is σ = 3383521890. Its totient is φ = 1127840628.

The previous prime is 2255681171. The next prime is 2255681279. The reversal of 2255681258 is 8521865522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2116276009 + 139405249 = 46003^2 + 11807^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563920313 + ... + 563920316.

Almost surely, 2^2255681258 is an apocalyptic number.

2255681258 is a deficient number, since it is larger than the sum of its proper divisors (1127840632).

2255681258 is a wasteful number, since it uses less digits than its factorization.

2255681258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127840631.

The product of its digits is 384000, while the sum is 44.

The square root of 2255681258 is about 47494.0128647812. The cubic root of 2255681258 is about 1311.4726670213.

The spelling of 2255681258 in words is "two billion, two hundred fifty-five million, six hundred eighty-one thousand, two hundred fifty-eight".