10255191 has 4 divisors (see below), whose sum is σ = 13673592. Its totient is φ = 6836792.

The previous prime is 10255187. The next prime is 10255211. The reversal of 10255191 is 19155201.

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

It is a cyclic number.

It is not a de Polignac number, because 10255191 - 2² = 10255187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10255151) 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, 1709196 + ... + 1709201.

It is an arithmetic number, because the mean of its divisors is an integer number (3418398).

Almost surely, 2^10255191 is an apocalyptic number.

10255191 is a deficient number, since it is larger than the sum of its proper divisors (3418401).

10255191 is an equidigital number, since it uses as much as digits as its factorization.

10255191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418400.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 10255191 is about 3202.3727140981. The cubic root of 10255191 is about 217.2607383492.

It can be divided in two parts, 1025 and 5191, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 10255191 in words is "ten million, two hundred fifty-five thousand, one hundred ninety-one".