26248645 has 4 divisors (see below), whose sum is σ = 31498380. Its totient is φ = 20998912.

The previous prime is 26248637. The next prime is 26248679. The reversal of 26248645 is 54684262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17164449 + 9084196 = 4143^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 26248645 - 2³ = 26248637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624860 + ... + 2624869.

It is an arithmetic number, because the mean of its divisors is an integer number (7874595).

Almost surely, 2^26248645 is an apocalyptic number.

It is an amenable number.

26248645 is a deficient number, since it is larger than the sum of its proper divisors (5249735).

26248645 is an equidigital number, since it uses as much as digits as its factorization.

26248645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249734.

The product of its digits is 92160, while the sum is 37.

The square root of 26248645 is about 5123.3431468134. The cubic root of 26248645 is about 297.1909838903.

The spelling of 26248645 in words is "twenty-six million, two hundred forty-eight thousand, six hundred forty-five".