10645491 has 8 divisors (see below), whose sum is σ = 14941120. Its totient is φ = 6723432.

The previous prime is 10645489. The next prime is 10645507. The reversal of 10645491 is 19454601.

It is a happy number.

10645491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10645491 - 2¹ = 10645489 is a prime.

It is a super-2 number, since 2×10645491² = 226652957262162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93325 + ... + 93438.

It is an arithmetic number, because the mean of its divisors is an integer number (1867640).

Almost surely, 2^10645491 is an apocalyptic number.

10645491 is a deficient number, since it is larger than the sum of its proper divisors (4295629).

10645491 is a wasteful number, since it uses less digits than its factorization.

10645491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186785.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10645491 is about 3262.7428645237. The cubic root of 10645491 is about 219.9827190283.

It can be divided in two parts, 1064 and 5491, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 10645491 in words is "ten million, six hundred forty-five thousand, four hundred ninety-one".