26651941 has 4 divisors (see below), whose sum is σ = 26670400. Its totient is φ = 26633484.

The previous prime is 26651939. The next prime is 26651983. The reversal of 26651941 is 14915662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26651941 - 2¹ = 26651939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26651897 and 26651906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26651921) 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 3 ways as a sum of consecutive naturals, for example, 6861 + ... + 10018.

It is an arithmetic number, because the mean of its divisors is an integer number (6667600).

Almost surely, 2^26651941 is an apocalyptic number.

26651941 is the 2760-th centered heptagonal number.

It is an amenable number.

26651941 is a deficient number, since it is larger than the sum of its proper divisors (18459).

26651941 is a wasteful number, since it uses less digits than its factorization.

26651941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458.

The product of its digits is 12960, while the sum is 34.

The square root of 26651941 is about 5162.5517915078. The cubic root of 26651941 is about 298.7053132510.

The spelling of 26651941 in words is "twenty-six million, six hundred fifty-one thousand, nine hundred forty-one".