26424005 has 8 divisors (see below), whose sum is σ = 31736472. Its totient is φ = 21120768.

The previous prime is 26423989. The next prime is 26424019. The reversal of 26424005 is 50042462.

It can be written as a sum of positive squares in 4 ways, for example, as 708964 + 25715041 = 842^2 + 5071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26424005 - 2⁴ = 26423989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9449 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (3967059).

Almost surely, 2^26424005 is an apocalyptic number.

It is an amenable number.

26424005 is a deficient number, since it is larger than the sum of its proper divisors (5312467).

26424005 is a wasteful number, since it uses less digits than its factorization.

26424005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 26424005 is about 5140.4284840857. The cubic root of 26424005 is about 297.8513326882.

Adding to 26424005 its reverse (50042462), we get a palindrome (76466467).

The spelling of 26424005 in words is "twenty-six million, four hundred twenty-four thousand, five".