26562013 has 4 divisors (see below), whose sum is σ = 26581408. Its totient is φ = 26542620.

The previous prime is 26561993. The next prime is 26562031. The reversal of 26562013 is 31026562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26562013 - 2⁹ = 26561501 is a prime.

It is a super-2 number, since 2×26562013² = 1411081069224338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26562043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7473 + ... + 10438.

It is an arithmetic number, because the mean of its divisors is an integer number (6645352).

Almost surely, 2^26562013 is an apocalyptic number.

It is an amenable number.

26562013 is a deficient number, since it is larger than the sum of its proper divisors (19395).

26562013 is a wasteful number, since it uses less digits than its factorization.

26562013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 26562013 is about 5153.8347858658. The cubic root of 26562013 is about 298.3689745156.

Adding to 26562013 its reverse (31026562), we get a palindrome (57588575).

The spelling of 26562013 in words is "twenty-six million, five hundred sixty-two thousand, thirteen".