25835779 has 2 divisors, whose sum is σ = 25835780. Its totient is φ = 25835778.

The previous prime is 25835749. The next prime is 25835783. The reversal of 25835779 is 97753852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25835779 - 2¹³ = 25827587 is a prime.

It is not a weakly prime, because it can be changed into another prime (25835729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12917889 + 12917890.

It is an arithmetic number, because the mean of its divisors is an integer number (12917890).

Almost surely, 2^25835779 is an apocalyptic number.

25835779 is a deficient number, since it is larger than the sum of its proper divisors (1).

25835779 is an equidigital number, since it uses as much as digits as its factorization.

25835779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The square root of 25835779 is about 5082.8908113395. The cubic root of 25835779 is about 295.6245658655.

The spelling of 25835779 in words is "twenty-five million, eight hundred thirty-five thousand, seven hundred seventy-nine".