10485509 has 4 divisors (see below), whose sum is σ = 10538400. Its totient is φ = 10432620.

The previous prime is 10485499. The next prime is 10485523. The reversal of 10485509 is 90558401.

10485509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90558401 = 241 ⋅375761.

It is a cyclic number.

It is not a de Polignac number, because 10485509 - 2⁸ = 10485253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10485529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26147 + ... + 26544.

It is an arithmetic number, because the mean of its divisors is an integer number (2634600).

Almost surely, 2^10485509 is an apocalyptic number.

It is an amenable number.

10485509 is a deficient number, since it is larger than the sum of its proper divisors (52891).

10485509 is an equidigital number, since it uses as much as digits as its factorization.

10485509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52890.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 10485509 is about 3238.1335673502. The cubic root of 10485509 is about 218.8751747253.

The spelling of 10485509 in words is "ten million, four hundred eighty-five thousand, five hundred nine".