26537081 has 2 divisors, whose sum is σ = 26537082. Its totient is φ = 26537080.

The previous prime is 26537057. The next prime is 26537089. The reversal of 26537081 is 18073562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 781456 = 5075^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 26537081 - 2¹⁰ = 26536057 is a prime.

It is a super-2 number, since 2×26537081² = 1408433336001122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26537089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13268540 + 13268541.

It is an arithmetic number, because the mean of its divisors is an integer number (13268541).

Almost surely, 2^26537081 is an apocalyptic number.

It is an amenable number.

26537081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26537081 is an equidigital number, since it uses as much as digits as its factorization.

26537081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 26537081 is about 5151.4154365572. The cubic root of 26537081 is about 298.2755922361.

The spelling of 26537081 in words is "twenty-six million, five hundred thirty-seven thousand, eighty-one".