2555281291 has 8 divisors (see below), whose sum is σ = 2695064400. Its totient is φ = 2416027680.

The previous prime is 2555281259. The next prime is 2555281319. The reversal of 2555281291 is 1921825552.

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 2555281291 - 2⁵ = 2555281259 is a prime.

It is a super-2 number, since 2×2555281291² = 13058924952269253362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555281891) 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, 122440 + ... + 141781.

It is an arithmetic number, because the mean of its divisors is an integer number (336883050).

Almost surely, 2^2555281291 is an apocalyptic number.

2555281291 is a deficient number, since it is larger than the sum of its proper divisors (139783109).

2555281291 is a wasteful number, since it uses less digits than its factorization.

2555281291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264749.

The product of its digits is 72000, while the sum is 40.

The square root of 2555281291 is about 50549.7902171710. The cubic root of 2555281291 is about 1367.1397321732.

The spelling of 2555281291 in words is "two billion, five hundred fifty-five million, two hundred eighty-one thousand, two hundred ninety-one".