26023401 has 6 divisors (see below), whose sum is σ = 37589370. Its totient is φ = 17348928.

The previous prime is 26023399. The next prime is 26023409. The reversal of 26023401 is 10432062.

It is a happy number.

26023401 is a `hidden beast` number, since 260 + 2 + 3 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18071001 + 7952400 = 4251^2 + 2820^2 .

It is not a de Polignac number, because 26023401 - 2¹ = 26023399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26023409) 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 5 ways as a sum of consecutive naturals, for example, 1445736 + ... + 1445753.

It is an arithmetic number, because the mean of its divisors is an integer number (6264895).

Almost surely, 2^26023401 is an apocalyptic number.

It is an amenable number.

26023401 is a deficient number, since it is larger than the sum of its proper divisors (11565969).

26023401 is a wasteful number, since it uses less digits than its factorization.

26023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891495 (or 2891492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 26023401 is about 5101.3136543443. The cubic root of 26023401 is about 296.3384588694.

Adding to 26023401 its reverse (10432062), we get a palindrome (36455463).

The spelling of 26023401 in words is "twenty-six million, twenty-three thousand, four hundred one".