25825580057 has 4 divisors (see below), whose sum is σ = 25918813476. Its totient is φ = 25732346640.

The previous prime is 25825580029. The next prime is 25825580059. The reversal of 25825580057 is 75008552852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15088682896 + 10736897161 = 122836^2 + 103619^2 .

It is a cyclic number.

It is not a de Polignac number, because 25825580057 - 2¹⁰ = 25825579033 is a prime.

It is a super-2 number, since 2×25825580057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25825579993 and 25825580020.

It is not an unprimeable number, because it can be changed into a prime (25825580059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46616294 + ... + 46616847.

It is an arithmetic number, because the mean of its divisors is an integer number (6479703369).

Almost surely, 2^25825580057 is an apocalyptic number.

It is an amenable number.

25825580057 is a deficient number, since it is larger than the sum of its proper divisors (93233419).

25825580057 is an equidigital number, since it uses as much as digits as its factorization.

25825580057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93233418.

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 25825580057 in words is "twenty-five billion, eight hundred twenty-five million, five hundred eighty thousand, fifty-seven".