26001013 has 2 divisors, whose sum is σ = 26001014. Its totient is φ = 26001012.

The previous prime is 26000983. The next prime is 26001077. The reversal of 26001013 is 31010062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 1170724 = 4983^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26001013 is a prime.

It is a super-3 number, since 3×26001013³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26000984 and 26001002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26007013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000506 + 13000507.

It is an arithmetic number, because the mean of its divisors is an integer number (13000507).

Almost surely, 2^26001013 is an apocalyptic number.

It is an amenable number.

26001013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26001013 is an equidigital number, since it uses as much as digits as its factorization.

26001013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 26001013 is about 5099.1188454477. The cubic root of 26001013 is about 296.2534542376.

Adding to 26001013 its reverse (31010062), we get a palindrome (57011075).

The spelling of 26001013 in words is "twenty-six million, one thousand, thirteen".