26541421 has 8 divisors (see below), whose sum is σ = 26933184. Its totient is φ = 26152800.

The previous prime is 26541407. The next prime is 26541443. The reversal of 26541421 is 12414562.

It is a happy number.

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 26541421 - 2¹³ = 26533229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26541401) 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, 20046 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (3366648).

Almost surely, 2^26541421 is an apocalyptic number.

It is an amenable number.

26541421 is a deficient number, since it is larger than the sum of its proper divisors (391763).

26541421 is a wasteful number, since it uses less digits than its factorization.

26541421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its digits is 1920, while the sum is 25.

The square root of 26541421 is about 5151.8366627835. The cubic root of 26541421 is about 298.2918518178.

Adding to 26541421 its reverse (12414562), we get a palindrome (38955983).

It can be divided in two parts, 26541 and 421, that added together give a palindrome (26962).

The spelling of 26541421 in words is "twenty-six million, five hundred forty-one thousand, four hundred twenty-one".