5255191 has 4 divisors (see below), whose sum is σ = 5531800. Its totient is φ = 4978584.

The previous prime is 5255179. The next prime is 5255203. The reversal of 5255191 is 1915525.

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

It is an interprime number because it is at equal distance from previous prime (5255179) and next prime (5255203).

It is a cyclic number.

It is not a de Polignac number, because 5255191 - 2¹⁵ = 5222423 is a prime.

It is a Duffinian number.

5255191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138276 + ... + 138313.

It is an arithmetic number, because the mean of its divisors is an integer number (1382950).

Almost surely, 2^5255191 is an apocalyptic number.

5255191 is a deficient number, since it is larger than the sum of its proper divisors (276609).

5255191 is a wasteful number, since it uses less digits than its factorization.

5255191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276608.

The product of its digits is 2250, while the sum is 28.

The square root of 5255191 is about 2292.4203366748. The cubic root of 5255191 is about 173.8585960871.

The spelling of 5255191 in words is "five million, two hundred fifty-five thousand, one hundred ninety-one".