26612623 has 2 divisors, whose sum is σ = 26612624. Its totient is φ = 26612622.

The previous prime is 26612617. The next prime is 26612639. The reversal of 26612623 is 32621662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26612623 - 2¹⁷ = 26481551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26612591 and 26612600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26612683) 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 as a sum of consecutive naturals, namely, 13306311 + 13306312.

It is an arithmetic number, because the mean of its divisors is an integer number (13306312).

Almost surely, 2^26612623 is an apocalyptic number.

26612623 is a deficient number, since it is larger than the sum of its proper divisors (1).

26612623 is an equidigital number, since it uses as much as digits as its factorization.

26612623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 26612623 is about 5158.7423855044. The cubic root of 26612623 is about 298.5583536536.

The spelling of 26612623 in words is "twenty-six million, six hundred twelve thousand, six hundred twenty-three".