26652643 has 4 divisors (see below), whose sum is σ = 26665360. Its totient is φ = 26639928.

The previous prime is 26652631. The next prime is 26652671. The reversal of 26652643 is 34625662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26652643 - 2¹³ = 26644451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26652599 and 26652608.

It is not an unprimeable number, because it can be changed into a prime (26659643) 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, 2388 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (6666340).

Almost surely, 2^26652643 is an apocalyptic number.

26652643 is a deficient number, since it is larger than the sum of its proper divisors (12717).

26652643 is a wasteful number, since it uses less digits than its factorization.

26652643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716.

The product of its digits is 51840, while the sum is 34.

The square root of 26652643 is about 5162.6197806927. The cubic root of 26652643 is about 298.7079358153.

The spelling of 26652643 in words is "twenty-six million, six hundred fifty-two thousand, six hundred forty-three".