10506191 has 2 divisors, whose sum is σ = 10506192. Its totient is φ = 10506190.

The previous prime is 10506173. The next prime is 10506211. The reversal of 10506191 is 19160501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10506191 is a prime.

It is a super-2 number, since 2×10506191² = 220760098656962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is a weakly prime.

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 as a sum of consecutive naturals, namely, 5253095 + 5253096.

It is an arithmetic number, because the mean of its divisors is an integer number (5253096).

Almost surely, 2^10506191 is an apocalyptic number.

10506191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10506191 is an equidigital number, since it uses as much as digits as its factorization.

10506191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 10506191 is about 3241.3255004704. The cubic root of 10506191 is about 219.0189860037.

Adding to 10506191 its reverse (19160501), we get a palindrome (29666692).

The spelling of 10506191 in words is "ten million, five hundred six thousand, one hundred ninety-one".