26248231 has 4 divisors (see below), whose sum is σ = 26806752. Its totient is φ = 25689712.

The previous prime is 26248223. The next prime is 26248279. The reversal of 26248231 is 13284262.

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 26248231 - 2³ = 26248223 is a prime.

It is a super-2 number, since 2×26248231² = 1377939261258722, 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 26248231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26248031) 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, 279190 + ... + 279283.

It is an arithmetic number, because the mean of its divisors is an integer number (6701688).

Almost surely, 2^26248231 is an apocalyptic number.

26248231 is a deficient number, since it is larger than the sum of its proper divisors (558521).

26248231 is an equidigital number, since it uses as much as digits as its factorization.

26248231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558520.

The product of its digits is 4608, while the sum is 28.

The square root of 26248231 is about 5123.3027433483. The cubic root of 26248231 is about 297.1894214260.

The spelling of 26248231 in words is "twenty-six million, two hundred forty-eight thousand, two hundred thirty-one".