26063861 has 2 divisors, whose sum is σ = 26063862. Its totient is φ = 26063860.

The previous prime is 26063833. The next prime is 26063879. The reversal of 26063861 is 16836062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 7873636 = 4265^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 26063861 - 2²² = 21869557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26063831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13031930 + 13031931.

It is an arithmetic number, because the mean of its divisors is an integer number (13031931).

Almost surely, 2^26063861 is an apocalyptic number.

It is an amenable number.

26063861 is a deficient number, since it is larger than the sum of its proper divisors (1).

26063861 is an equidigital number, since it uses as much as digits as its factorization.

26063861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 26063861 is about 5105.2777593389. The cubic root of 26063861 is about 296.4919571977.

The spelling of 26063861 in words is "twenty-six million, sixty-three thousand, eight hundred sixty-one".