10491259 has 8 divisors (see below), whose sum is σ = 10656720. Its totient is φ = 10327296.

The previous prime is 10491253. The next prime is 10491277. The reversal of 10491259 is 95219401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10491259 - 2³ = 10491251 is a prime.

It is a super-2 number, since 2×10491259² = 220133030810162, which contains 22 as substring.

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 10491259.

It is not an unprimeable number, because it can be changed into a prime (10491251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25447 + ... + 25855.

It is an arithmetic number, because the mean of its divisors is an integer number (1332090).

Almost surely, 2^10491259 is an apocalyptic number.

10491259 is a deficient number, since it is larger than the sum of its proper divisors (165461).

10491259 is a wasteful number, since it uses less digits than its factorization.

10491259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 10491259 is about 3239.0213028012. The cubic root of 10491259 is about 218.9151760349.

The spelling of 10491259 in words is "ten million, four hundred ninety-one thousand, two hundred fifty-nine".