26261013 has 8 divisors (see below), whose sum is σ = 35127808. Its totient is φ = 17450784.

The previous prime is 26260987. The next prime is 26261041. The reversal of 26261013 is 31016262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26261013 - 2⁸ = 26260757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26261063) 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 7 ways as a sum of consecutive naturals, for example, 13045 + ... + 14922.

It is an arithmetic number, because the mean of its divisors is an integer number (4390976).

Almost surely, 2^26261013 is an apocalyptic number.

It is an amenable number.

26261013 is a deficient number, since it is larger than the sum of its proper divisors (8866795).

26261013 is a wasteful number, since it uses less digits than its factorization.

26261013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28283.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 26261013 is about 5124.5500290269. The cubic root of 26261013 is about 297.2376539938.

Adding to 26261013 its reverse (31016262), we get a palindrome (57277275).

The spelling of 26261013 in words is "twenty-six million, two hundred sixty-one thousand, thirteen".