25525068473 has 2 divisors, whose sum is σ = 25525068474. Its totient is φ = 25525068472.

The previous prime is 25525068451. The next prime is 25525068479. The reversal of 25525068473 is 37486052552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24701780224 + 823288249 = 157168^2 + 28693^2 .

It is a cyclic number.

It is not a de Polignac number, because 25525068473 - 2¹⁴ = 25525052089 is a prime.

It is not a weakly prime, because it can be changed into another prime (25525068479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762534236 + 12762534237.

It is an arithmetic number, because the mean of its divisors is an integer number (12762534237).

Almost surely, 2^25525068473 is an apocalyptic number.

It is an amenable number.

25525068473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25525068473 is an equidigital number, since it uses as much as digits as its factorization.

25525068473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 25525068473 in words is "twenty-five billion, five hundred twenty-five million, sixty-eight thousand, four hundred seventy-three".