26531623 has 2 divisors, whose sum is σ = 26531624. Its totient is φ = 26531622.

The previous prime is 26531599. The next prime is 26531639. The reversal of 26531623 is 32613562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26531623 - 2⁵ = 26531591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26531591 and 26531600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26531653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13265811 + 13265812.

It is an arithmetic number, because the mean of its divisors is an integer number (13265812).

Almost surely, 2^26531623 is an apocalyptic number.

26531623 is a deficient number, since it is larger than the sum of its proper divisors (1).

26531623 is an equidigital number, since it uses as much as digits as its factorization.

26531623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 26531623 is about 5150.8856520020. The cubic root of 26531623 is about 298.2551416095.

The spelling of 26531623 in words is "twenty-six million, five hundred thirty-one thousand, six hundred twenty-three".