26000245 has 4 divisors (see below), whose sum is σ = 31200300. Its totient is φ = 20800192.

The previous prime is 26000231. The next prime is 26000267. The reversal of 26000245 is 54200062.

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 4088484 + 21911761 = 2022^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 26000245 - 2¹⁵ = 25967477 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, 2600020 + ... + 2600029.

It is an arithmetic number, because the mean of its divisors is an integer number (7800075).

Almost surely, 2^26000245 is an apocalyptic number.

It is an amenable number.

26000245 is a deficient number, since it is larger than the sum of its proper divisors (5200055).

26000245 is an equidigital number, since it uses as much as digits as its factorization.

26000245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200054.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 26000245 is about 5099.0435377627. The cubic root of 26000245 is about 296.2505373654.

The spelling of 26000245 in words is "twenty-six million, two hundred forty-five", and thus it is an aban number.