26013049 has 4 divisors (see below), whose sum is σ = 26043264. Its totient is φ = 25982836.

The previous prime is 26013037. The next prime is 26013073. The reversal of 26013049 is 94031062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26013049 - 2¹⁵ = 25980281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26013079) 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, 13777 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (6510816).

Almost surely, 2^26013049 is an apocalyptic number.

It is an amenable number.

26013049 is a deficient number, since it is larger than the sum of its proper divisors (30215).

26013049 is an equidigital number, since it uses as much as digits as its factorization.

26013049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30214.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 26013049 is about 5100.2989128089. The cubic root of 26013049 is about 296.2991595917.

The spelling of 26013049 in words is "twenty-six million, thirteen thousand, forty-nine".