10491579 has 16 divisors (see below), whose sum is σ = 17763840. Its totient is φ = 5995080.

The previous prime is 10491571. The next prime is 10491623. The reversal of 10491579 is 97519401.

It is not a de Polignac number, because 10491579 - 2³ = 10491571 is a prime.

It is a super-2 number, since 2×10491579² = 220146459826482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10491571) 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 15 ways as a sum of consecutive naturals, for example, 27567 + ... + 27944.

It is an arithmetic number, because the mean of its divisors is an integer number (1110240).

Almost surely, 2^10491579 is an apocalyptic number.

10491579 is a deficient number, since it is larger than the sum of its proper divisors (7272261).

10491579 is an equidigital number, since it uses as much as digits as its factorization.

10491579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55527 (or 55521 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 10491579 is about 3239.0707000620. The cubic root of 10491579 is about 218.9174017653.

It can be divided in two parts, 1049 and 1579, that added together give a triangular number (2628 = T₇₂).

The spelling of 10491579 in words is "ten million, four hundred ninety-one thousand, five hundred seventy-nine".