255052191 has 8 divisors (see below), whose sum is σ = 340179840. Its totient is φ = 169979672.

The previous prime is 255052151. The next prime is 255052199. The reversal of 255052191 is 191250552.

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 255052191 - 2⁹ = 255051679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255052199) 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, 1395 + ... + 22628.

It is an arithmetic number, because the mean of its divisors is an integer number (42522480).

Almost surely, 2^255052191 is an apocalyptic number.

255052191 is a deficient number, since it is larger than the sum of its proper divisors (85127649).

255052191 is a wasteful number, since it uses less digits than its factorization.

255052191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 255052191 is about 15970.3535026624. The cubic root of 255052191 is about 634.1758303494.

The spelling of 255052191 in words is "two hundred fifty-five million, fifty-two thousand, one hundred ninety-one".