10505493 has 6 divisors (see below), whose sum is σ = 15174614. Its totient is φ = 7003656.

The previous prime is 10505491. The next prime is 10505527. The reversal of 10505493 is 39450501.

10505493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 412164 = 3177^2 + 642^2 .

It is not a de Polignac number, because 10505493 - 2¹ = 10505491 is a prime.

It is a super-2 number, since 2×10505493² = 220730766346098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583630 + ... + 583647.

Almost surely, 2^10505493 is an apocalyptic number.

It is an amenable number.

10505493 is a deficient number, since it is larger than the sum of its proper divisors (4669121).

10505493 is a wasteful number, since it uses less digits than its factorization.

10505493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167283 (or 1167280 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 10505493 is about 3241.2178266818. The cubic root of 10505493 is about 219.0141355735.

Adding to 10505493 its reverse (39450501), we get a palindrome (49955994).

The spelling of 10505493 in words is "ten million, five hundred five thousand, four hundred ninety-three".