26251361 has 2 divisors, whose sum is σ = 26251362. Its totient is φ = 26251360.

The previous prime is 26251343. The next prime is 26251373. The reversal of 26251361 is 16315262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 2825761 = 4840^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 26251361 - 2⁶ = 26251297 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26251361.

It is not a weakly prime, because it can be changed into another prime (26251391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125680 + 13125681.

It is an arithmetic number, because the mean of its divisors is an integer number (13125681).

Almost surely, 2^26251361 is an apocalyptic number.

It is an amenable number.

26251361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26251361 is an equidigital number, since it uses as much as digits as its factorization.

26251361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 26251361 is about 5123.6082012582. The cubic root of 26251361 is about 297.2012338527.

The spelling of 26251361 in words is "twenty-six million, two hundred fifty-one thousand, three hundred sixty-one".