26245157 has 2 divisors, whose sum is σ = 26245158. Its totient is φ = 26245156.

The previous prime is 26245133. The next prime is 26245169. The reversal of 26245157 is 75154262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 13060996 = 3631^2 + 3614^2 .

It is a cyclic number.

It is not a de Polignac number, because 26245157 - 2⁸ = 26244901 is a prime.

It is equal to p_1638842 and since 26245157 and 1638842 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26245187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122578 + 13122579.

It is an arithmetic number, because the mean of its divisors is an integer number (13122579).

Almost surely, 2^26245157 is an apocalyptic number.

It is an amenable number.

26245157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26245157 is an equidigital number, since it uses as much as digits as its factorization.

26245157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 26245157 is about 5123.0027327730. The cubic root of 26245157 is about 297.1778194258.

The spelling of 26245157 in words is "twenty-six million, two hundred forty-five thousand, one hundred fifty-seven".