26250449 has 2 divisors, whose sum is σ = 26250450. Its totient is φ = 26250448.

The previous prime is 26250407. The next prime is 26250451. The reversal of 26250449 is 94405262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 3972049 = 4720^2 + 1993^2 .

It is a cyclic number.

It is not a de Polignac number, because 26250449 - 2²⁰ = 25201873 is a prime.

Together with 26250451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26250349) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125224 + 13125225.

It is an arithmetic number, because the mean of its divisors is an integer number (13125225).

Almost surely, 2^26250449 is an apocalyptic number.

It is an amenable number.

26250449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250449 is an equidigital number, since it uses as much as digits as its factorization.

26250449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 26250449 is about 5123.5192007057. The cubic root of 26250449 is about 297.1977921180.

The spelling of 26250449 in words is "twenty-six million, two hundred fifty thousand, four hundred forty-nine".