26245187 has 2 divisors, whose sum is σ = 26245188. Its totient is φ = 26245186.

The previous prime is 26245171. The next prime is 26245199. The reversal of 26245187 is 78154262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26245187 - 2⁴ = 26245171 is a prime.

It is equal to p_1638845 and since 26245187 and 1638845 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26245157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122593 + 13122594.

It is an arithmetic number, because the mean of its divisors is an integer number (13122594).

Almost surely, 2^26245187 is an apocalyptic number.

26245187 is a deficient number, since it is larger than the sum of its proper divisors (1).

26245187 is an equidigital number, since it uses as much as digits as its factorization.

26245187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 26245187 is about 5123.0056607425. The cubic root of 26245187 is about 297.1779326572.

The spelling of 26245187 in words is "twenty-six million, two hundred forty-five thousand, one hundred eighty-seven".