25822460897 has 2 divisors, whose sum is σ = 25822460898. Its totient is φ = 25822460896.

The previous prime is 25822460863. The next prime is 25822460933. The reversal of 25822460897 is 79806422852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24597530896 + 1224930001 = 156836^2 + 34999^2 .

It is a cyclic number.

It is not a de Polignac number, because 25822460897 - 2²⁶ = 25755352033 is a prime.

It is not a weakly prime, because it can be changed into another prime (25822460827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12911230448 + 12911230449.

It is an arithmetic number, because the mean of its divisors is an integer number (12911230449).

Almost surely, 2^25822460897 is an apocalyptic number.

It is an amenable number.

25822460897 is a deficient number, since it is larger than the sum of its proper divisors (1).

25822460897 is an equidigital number, since it uses as much as digits as its factorization.

25822460897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 25822460897 in words is "twenty-five billion, eight hundred twenty-two million, four hundred sixty thousand, eight hundred ninety-seven".