26509053 has 4 divisors (see below), whose sum is σ = 35345408. Its totient is φ = 17672700.

The previous prime is 26509051. The next prime is 26509073. The reversal of 26509053 is 35090562.

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 not a de Polignac number, because 26509053 - 2¹ = 26509051 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26509053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26509051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418173 + ... + 4418178.

It is an arithmetic number, because the mean of its divisors is an integer number (8836352).

Almost surely, 2^26509053 is an apocalyptic number.

It is an amenable number.

26509053 is a deficient number, since it is larger than the sum of its proper divisors (8836355).

26509053 is an equidigital number, since it uses as much as digits as its factorization.

26509053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836354.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 26509053 is about 5148.6943004999. The cubic root of 26509053 is about 298.1705440926.

The spelling of 26509053 in words is "twenty-six million, five hundred nine thousand, fifty-three".