26133961 has 16 divisors (see below), whose sum is σ = 31223808. Its totient is φ = 21402000.

The previous prime is 26133941. The next prime is 26133971. The reversal of 26133961 is 16933162.

It is a cyclic number.

It is not a de Polignac number, because 26133961 - 2²¹ = 24036809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (26133931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17286 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^26133961 is an apocalyptic number.

It is an amenable number.

26133961 is a deficient number, since it is larger than the sum of its proper divisors (5089847).

26133961 is a wasteful number, since it uses less digits than its factorization.

26133961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572.

The product of its digits is 5832, while the sum is 31.

The square root of 26133961 is about 5112.1385935829. The cubic root of 26133961 is about 296.7575290141.

The spelling of 26133961 in words is "twenty-six million, one hundred thirty-three thousand, nine hundred sixty-one".