26073013 has 2 divisors, whose sum is σ = 26073014. Its totient is φ = 26073012.

The previous prime is 26072999. The next prime is 26073017. The reversal of 26073013 is 31037062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 651249 = 5042^2 + 807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26073013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26073017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13036506 + 13036507.

It is an arithmetic number, because the mean of its divisors is an integer number (13036507).

Almost surely, 2^26073013 is an apocalyptic number.

It is an amenable number.

26073013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26073013 is an equidigital number, since it uses as much as digits as its factorization.

26073013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 26073013 is about 5106.1740080025. The cubic root of 26073013 is about 296.5266562887.

The spelling of 26073013 in words is "twenty-six million, seventy-three thousand, thirteen".