26485191 has 16 divisors (see below), whose sum is σ = 40504320. Its totient is φ = 17086680.

The previous prime is 26485189. The next prime is 26485219. The reversal of 26485191 is 19158462.

26485191 is a `hidden beast` number, since 2 + 648 + 5 + 1 + 9 + 1 = 666.

It is not a de Polignac number, because 26485191 - 2¹ = 26485189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26485141) 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 15 ways as a sum of consecutive naturals, for example, 14985 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (2531520).

Almost surely, 2^26485191 is an apocalyptic number.

26485191 is a deficient number, since it is larger than the sum of its proper divisors (14019129).

26485191 is a wasteful number, since it uses less digits than its factorization.

26485191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683 (or 31677 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 26485191 is about 5146.3764922516. The cubic root of 26485191 is about 298.0810516285.

The spelling of 26485191 in words is "twenty-six million, four hundred eighty-five thousand, one hundred ninety-one".