26525231 has 4 divisors (see below), whose sum is σ = 26716200. Its totient is φ = 26334264.

The previous prime is 26525203. The next prime is 26525297. The reversal of 26525231 is 13252562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26525231 - 2¹⁴ = 26508847 is a prime.

It is a super-2 number, since 2×26525231² = 1407175759206722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26525231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26525201) 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, 95276 + ... + 95553.

It is an arithmetic number, because the mean of its divisors is an integer number (6679050).

Almost surely, 2^26525231 is an apocalyptic number.

26525231 is a deficient number, since it is larger than the sum of its proper divisors (190969).

26525231 is a wasteful number, since it uses less digits than its factorization.

26525231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190968.

The product of its digits is 3600, while the sum is 26.

The square root of 26525231 is about 5150.2651388060. The cubic root of 26525231 is about 298.2311878043.

Adding to 26525231 its reverse (13252562), we get a palindrome (39777793).

The spelling of 26525231 in words is "twenty-six million, five hundred twenty-five thousand, two hundred thirty-one".