26401873 has 2 divisors, whose sum is σ = 26401874. Its totient is φ = 26401872.

The previous prime is 26401853. The next prime is 26401877. The reversal of 26401873 is 37810462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17539344 + 8862529 = 4188^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 26401873 - 2⁵ = 26401841 is a prime.

It is not a weakly prime, because it can be changed into another prime (26401877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200936 + 13200937.

It is an arithmetic number, because the mean of its divisors is an integer number (13200937).

Almost surely, 2^26401873 is an apocalyptic number.

It is an amenable number.

26401873 is a deficient number, since it is larger than the sum of its proper divisors (1).

26401873 is an equidigital number, since it uses as much as digits as its factorization.

26401873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 26401873 is about 5138.2752942987. The cubic root of 26401873 is about 297.7681521737.

The spelling of 26401873 in words is "twenty-six million, four hundred one thousand, eight hundred seventy-three".