26211401 has 4 divisors (see below), whose sum is σ = 26320404. Its totient is φ = 26102400.

The previous prime is 26211377. The next prime is 26211407. The reversal of 26211401 is 10411262.

26211401 = T₅₈ + T₅₉ + ... + T₅₃₉.

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 21631801 + 4579600 = 4651^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26211401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26211401.

It is not an unprimeable number, because it can be changed into a prime (26211407) 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, 54140 + ... + 54621.

It is an arithmetic number, because the mean of its divisors is an integer number (6580101).

Almost surely, 2^26211401 is an apocalyptic number.

It is an amenable number.

26211401 is a deficient number, since it is larger than the sum of its proper divisors (109003).

26211401 is a wasteful number, since it uses less digits than its factorization.

26211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109002.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 26211401 is about 5119.7071205295. The cubic root of 26211401 is about 297.0503566925.

Adding to 26211401 its reverse (10411262), we get a palindrome (36622663).

The spelling of 26211401 in words is "twenty-six million, two hundred eleven thousand, four hundred one".