26570413 has 4 divisors (see below), whose sum is σ = 26746528. Its totient is φ = 26394300.

The previous prime is 26570407. The next prime is 26570429. The reversal of 26570413 is 31407562.

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 26570413 - 2⁵ = 26570381 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 (26570443) 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, 87831 + ... + 88132.

It is an arithmetic number, because the mean of its divisors is an integer number (6686632).

Almost surely, 2^26570413 is an apocalyptic number.

It is an amenable number.

26570413 is a deficient number, since it is larger than the sum of its proper divisors (176115).

26570413 is a wasteful number, since it uses less digits than its factorization.

26570413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176114.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 26570413 is about 5154.6496486182. The cubic root of 26570413 is about 298.4004233775.

Adding to 26570413 its reverse (31407562), we get a palindrome (57977975).

The spelling of 26570413 in words is "twenty-six million, five hundred seventy thousand, four hundred thirteen".