26540533 has 2 divisors, whose sum is σ = 26540534. Its totient is φ = 26540532.

The previous prime is 26540531. The next prime is 26540567. The reversal of 26540533 is 33504562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23794884 + 2745649 = 4878^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 26540533 - 2¹ = 26540531 is a prime.

Together with 26540531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26540531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270266 + 13270267.

It is an arithmetic number, because the mean of its divisors is an integer number (13270267).

Almost surely, 2^26540533 is an apocalyptic number.

It is an amenable number.

26540533 is a deficient number, since it is larger than the sum of its proper divisors (1).

26540533 is an equidigital number, since it uses as much as digits as its factorization.

26540533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 26540533 is about 5151.7504792061. The cubic root of 26540533 is about 298.2885251167.

The spelling of 26540533 in words is "twenty-six million, five hundred forty thousand, five hundred thirty-three".