26447051 has 4 divisors (see below), whose sum is σ = 26459952. Its totient is φ = 26434152.

The previous prime is 26447011. The next prime is 26447063. The reversal of 26447051 is 15074462.

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 26447051 - 2¹⁰ = 26446027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26447011) 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, 2615 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (6614988).

Almost surely, 2^26447051 is an apocalyptic number.

26447051 is a deficient number, since it is larger than the sum of its proper divisors (12901).

26447051 is a wasteful number, since it uses less digits than its factorization.

26447051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 26447051 is about 5142.6696374549. The cubic root of 26447051 is about 297.9378990154.

The spelling of 26447051 in words is "twenty-six million, four hundred forty-seven thousand, fifty-one".