25828456297 has 6 divisors (see below), whose sum is σ = 30045347178. Its totient is φ = 22138676784.

The previous prime is 25828456253. The next prime is 25828456321. The reversal of 25828456297 is 79265482852.

It can be written as a sum of positive squares in only one way, i.e., 25669166656 + 159289641 = 160216^2 + 12621^2 .

It is not a de Polignac number, because 25828456297 - 2⁷ = 25828456169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25828456207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263555628 + ... + 263555725.

It is an arithmetic number, because the mean of its divisors is an integer number (5007557863).

Almost surely, 2^25828456297 is an apocalyptic number.

It is an amenable number.

25828456297 is a deficient number, since it is larger than the sum of its proper divisors (4216890881).

25828456297 is an equidigital number, since it uses as much as digits as its factorization.

25828456297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527111367 (or 527111360 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 25828456297 in words is "twenty-five billion, eight hundred twenty-eight million, four hundred fifty-six thousand, two hundred ninety-seven".