26945251 has 2 divisors, whose sum is σ = 26945252. Its totient is φ = 26945250.

The previous prime is 26945227. The next prime is 26945267. The reversal of 26945251 is 15254962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26945251 is a prime.

It is not a weakly prime, because it can be changed into another prime (26945201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13472625 + 13472626.

It is an arithmetic number, because the mean of its divisors is an integer number (13472626).

Almost surely, 2^26945251 is an apocalyptic number.

26945251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26945251 is an equidigital number, since it uses as much as digits as its factorization.

26945251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 26945251 is about 5190.8815243656. The cubic root of 26945251 is about 299.7970887136.

The spelling of 26945251 in words is "twenty-six million, nine hundred forty-five thousand, two hundred fifty-one".