26253251 has 2 divisors, whose sum is σ = 26253252. Its totient is φ = 26253250.

The previous prime is 26253203. The next prime is 26253257. The reversal of 26253251 is 15235262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26253251 - 2¹⁴ = 26236867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26253251.

It is not a weakly prime, because it can be changed into another prime (26253257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126625 + 13126626.

It is an arithmetic number, because the mean of its divisors is an integer number (13126626).

Almost surely, 2^26253251 is an apocalyptic number.

26253251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26253251 is an equidigital number, since it uses as much as digits as its factorization.

26253251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 26253251 is about 5123.7926382710. The cubic root of 26253251 is about 297.2083661414.

The spelling of 26253251 in words is "twenty-six million, two hundred fifty-three thousand, two hundred fifty-one".