26331485 has 4 divisors (see below), whose sum is σ = 31597788. Its totient is φ = 21065184.

The previous prime is 26331439. The next prime is 26331491. The reversal of 26331485 is 58413362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 9406489 = 4114^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 26331485 - 2²⁰ = 25282909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633144 + ... + 2633153.

It is an arithmetic number, because the mean of its divisors is an integer number (7899447).

Almost surely, 2^26331485 is an apocalyptic number.

It is an amenable number.

26331485 is a deficient number, since it is larger than the sum of its proper divisors (5266303).

26331485 is an equidigital number, since it uses as much as digits as its factorization.

26331485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266302.

The product of its digits is 17280, while the sum is 32.

The square root of 26331485 is about 5131.4213430589. The cubic root of 26331485 is about 297.5032977531.

The spelling of 26331485 in words is "twenty-six million, three hundred thirty-one thousand, four hundred eighty-five".