25381827025 has 24 divisors (see below), whose sum is σ = 32854076024. Its totient is φ = 19432742400.

The previous prime is 25381827019. The next prime is 25381827043. The reversal of 25381827025 is 52072818352.

It can be written as a sum of positive squares in 12 ways, for example, as 5355897856 + 20025929169 = 73184^2 + 141513^2 .

It is not a de Polignac number, because 25381827025 - 2⁵ = 25381826993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168492 + ... + 281341.

Almost surely, 2^25381827025 is an apocalyptic number.

25381827025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25381827025 is a deficient number, since it is larger than the sum of its proper divisors (7472248999).

25381827025 is a wasteful number, since it uses less digits than its factorization.

25381827025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449941 (or 449936 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 25381827025 in words is "twenty-five billion, three hundred eighty-one million, eight hundred twenty-seven thousand, twenty-five".