26450539 has 2 divisors, whose sum is σ = 26450540. Its totient is φ = 26450538.

The previous prime is 26450537. The next prime is 26450561. The reversal of 26450539 is 93505462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26450539 - 2¹ = 26450537 is a prime.

Together with 26450537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26450531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13225269 + 13225270.

It is an arithmetic number, because the mean of its divisors is an integer number (13225270).

Almost surely, 2^26450539 is an apocalyptic number.

26450539 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450539 is an equidigital number, since it uses as much as digits as its factorization.

26450539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 26450539 is about 5143.0087497495. The cubic root of 26450539 is about 297.9509964015.

The spelling of 26450539 in words is "twenty-six million, four hundred fifty thousand, five hundred thirty-nine".