26725889 has 2 divisors, whose sum is σ = 26725890. Its totient is φ = 26725888.

The previous prime is 26725883. The next prime is 26725901. The reversal of 26725889 is 98852762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 4068289 = 4760^2 + 2017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26725889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26725883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13362944 + 13362945.

It is an arithmetic number, because the mean of its divisors is an integer number (13362945).

Almost surely, 2^26725889 is an apocalyptic number.

It is an amenable number.

26725889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26725889 is an equidigital number, since it uses as much as digits as its factorization.

26725889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 26725889 is about 5169.7087925724. The cubic root of 26725889 is about 298.9813189523.

The spelling of 26725889 in words is "twenty-six million, seven hundred twenty-five thousand, eight hundred eighty-nine".