26424261 has 12 divisors (see below), whose sum is σ = 38256192. Its totient is φ = 17575656.

The previous prime is 26424257. The next prime is 26424287. The reversal of 26424261 is 16242462.

It is not a de Polignac number, because 26424261 - 2² = 26424257 is a prime.

It is a super-2 number, since 2×26424261² = 1396483138792242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26424241) 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 11 ways as a sum of consecutive naturals, for example, 1060 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (3188016).

Almost surely, 2^26424261 is an apocalyptic number.

It is an amenable number.

26424261 is a deficient number, since it is larger than the sum of its proper divisors (11831931).

26424261 is a wasteful number, since it uses less digits than its factorization.

26424261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760 (or 6757 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 26424261 is about 5140.4533846734. The cubic root of 26424261 is about 297.8522945622.

It can be divided in two parts, 2642 and 4261, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 26424261 in words is "twenty-six million, four hundred twenty-four thousand, two hundred sixty-one".