26420599 has 2 divisors, whose sum is σ = 26420600. Its totient is φ = 26420598.

The previous prime is 26420573. The next prime is 26420609. The reversal of 26420599 is 99502462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26420599 - 2²³ = 18031991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26420509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13210299 + 13210300.

It is an arithmetic number, because the mean of its divisors is an integer number (13210300).

Almost surely, 2^26420599 is an apocalyptic number.

26420599 is a deficient number, since it is larger than the sum of its proper divisors (1).

26420599 is an equidigital number, since it uses as much as digits as its factorization.

26420599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 26420599 is about 5140.0971780697. The cubic root of 26420599 is about 297.8385346632.

The spelling of 26420599 in words is "twenty-six million, four hundred twenty thousand, five hundred ninety-nine".