10541509 has 4 divisors (see below), whose sum is σ = 11499840. Its totient is φ = 9583180.

The previous prime is 10541501. The next prime is 10541537. The reversal of 10541509 is 90514501.

10541509 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.

It is a cyclic number.

It is not a de Polignac number, because 10541509 - 2³ = 10541501 is a prime.

It is a super-2 number, since 2×10541509² = 222246823994162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10541501) 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 3 ways as a sum of consecutive naturals, for example, 479149 + ... + 479170.

It is an arithmetic number, because the mean of its divisors is an integer number (2874960).

Almost surely, 2^10541509 is an apocalyptic number.

It is an amenable number.

10541509 is a deficient number, since it is larger than the sum of its proper divisors (958331).

10541509 is an equidigital number, since it uses as much as digits as its factorization.

10541509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958330.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 10541509 is about 3246.7690093384. The cubic root of 10541509 is about 219.2641322839.

It can be divided in two parts, 105 and 41509, that added together give a palindrome (41614).

The spelling of 10541509 in words is "ten million, five hundred forty-one thousand, five hundred nine".