26461973 has 2 divisors, whose sum is σ = 26461974. Its totient is φ = 26461972.

The previous prime is 26461943. The next prime is 26461991. The reversal of 26461973 is 37916462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20811844 + 5650129 = 4562^2 + 2377^2 .

It is a cyclic number.

It is not a de Polignac number, because 26461973 - 2¹² = 26457877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26461943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13230986 + 13230987.

It is an arithmetic number, because the mean of its divisors is an integer number (13230987).

Almost surely, 2^26461973 is an apocalyptic number.

It is an amenable number.

26461973 is a deficient number, since it is larger than the sum of its proper divisors (1).

26461973 is an equidigital number, since it uses as much as digits as its factorization.

26461973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 26461973 is about 5144.1202357643. The cubic root of 26461973 is about 297.9939228225.

The spelling of 26461973 in words is "twenty-six million, four hundred sixty-one thousand, nine hundred seventy-three".