26507893 has 2 divisors, whose sum is σ = 26507894. Its totient is φ = 26507892.

The previous prime is 26507863. The next prime is 26507903. The reversal of 26507893 is 39870562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19421649 + 7086244 = 4407^2 + 2662^2 .

It is a cyclic number.

It is not a de Polignac number, because 26507893 - 2¹⁷ = 26376821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26507863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13253946 + 13253947.

It is an arithmetic number, because the mean of its divisors is an integer number (13253947).

Almost surely, 2^26507893 is an apocalyptic number.

It is an amenable number.

26507893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26507893 is an equidigital number, since it uses as much as digits as its factorization.

26507893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 26507893 is about 5148.5816493477. The cubic root of 26507893 is about 298.1661948504.

The spelling of 26507893 in words is "twenty-six million, five hundred seven thousand, eight hundred ninety-three".