26194057 has 2 divisors, whose sum is σ = 26194058. Its totient is φ = 26194056.

The previous prime is 26194019. The next prime is 26194067. The reversal of 26194057 is 75049162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14661241 + 11532816 = 3829^2 + 3396^2 .

It is a cyclic number.

It is not a de Polignac number, because 26194057 - 2¹⁹ = 25669769 is a prime.

It is a super-2 number, since 2×26194057² = 1372257244238498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26194067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13097028 + 13097029.

It is an arithmetic number, because the mean of its divisors is an integer number (13097029).

Almost surely, 2^26194057 is an apocalyptic number.

It is an amenable number.

26194057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26194057 is an equidigital number, since it uses as much as digits as its factorization.

26194057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 26194057 is about 5118.0129933403. The cubic root of 26194057 is about 296.9848231464.

The spelling of 26194057 in words is "twenty-six million, one hundred ninety-four thousand, fifty-seven".