26505401 has 8 divisors (see below), whose sum is σ = 28971264. Its totient is φ = 24100560.

The previous prime is 26505379. The next prime is 26505433. The reversal of 26505401 is 10450562.

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 26505401 - 2¹⁴ = 26489017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26505481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14345 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (3621408).

Almost surely, 2^26505401 is an apocalyptic number.

It is an amenable number.

26505401 is a deficient number, since it is larger than the sum of its proper divisors (2465863).

26505401 is a wasteful number, since it uses less digits than its factorization.

26505401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 26505401 is about 5148.3396352611. The cubic root of 26505401 is about 298.1568510492.

Adding to 26505401 its reverse (10450562), we get a palindrome (36955963).

The spelling of 26505401 in words is "twenty-six million, five hundred five thousand, four hundred one".