26242507 has 4 divisors (see below), whose sum is σ = 26253720. Its totient is φ = 26231296.

The previous prime is 26242483. The next prime is 26242561. The reversal of 26242507 is 70524262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26242507 - 2¹⁵ = 26209739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26242597) 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 3 ways as a sum of consecutive naturals, for example, 613 + ... + 7270.

It is an arithmetic number, because the mean of its divisors is an integer number (6563430).

Almost surely, 2^26242507 is an apocalyptic number.

26242507 is a deficient number, since it is larger than the sum of its proper divisors (11213).

26242507 is an equidigital number, since it uses as much as digits as its factorization.

26242507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 26242507 is about 5122.7440888649. The cubic root of 26242507 is about 297.1678169743.

Adding to 26242507 its reverse (70524262), we get a palindrome (96766769).

The spelling of 26242507 in words is "twenty-six million, two hundred forty-two thousand, five hundred seven".