10251791 has 4 divisors (see below), whose sum is σ = 11183784. Its totient is φ = 9319800.

The previous prime is 10251779. The next prime is 10251797. The reversal of 10251791 is 19715201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10251791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10251791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465980 + ... + 466001.

It is an arithmetic number, because the mean of its divisors is an integer number (2795946).

Almost surely, 2^10251791 is an apocalyptic number.

10251791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10251791 is a deficient number, since it is larger than the sum of its proper divisors (931993).

10251791 is an equidigital number, since it uses as much as digits as its factorization.

10251791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931992.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 10251791 is about 3201.8418137066. The cubic root of 10251791 is about 217.2367255294.

Adding to 10251791 its reverse (19715201), we get a palindrome (29966992).

The spelling of 10251791 in words is "ten million, two hundred fifty-one thousand, seven hundred ninety-one".