26245231 has 4 divisors (see below), whose sum is σ = 27386352. Its totient is φ = 25104112.

The previous prime is 26245211. The next prime is 26245243. The reversal of 26245231 is 13254262.

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 26245231 - 2⁵ = 26245199 is a prime.

It is a super-2 number, since 2×26245231² = 1377624300486722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26245196 and 26245205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245211) 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, 570526 + ... + 570571.

It is an arithmetic number, because the mean of its divisors is an integer number (6846588).

Almost surely, 2^26245231 is an apocalyptic number.

26245231 is a deficient number, since it is larger than the sum of its proper divisors (1141121).

26245231 is a wasteful number, since it uses less digits than its factorization.

26245231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141120.

The product of its digits is 2880, while the sum is 25.

The square root of 26245231 is about 5123.0099550948. The cubic root of 26245231 is about 297.1780987298.

Adding to 26245231 its reverse (13254262), we get a palindrome (39499493).

The spelling of 26245231 in words is "twenty-six million, two hundred forty-five thousand, two hundred thirty-one".