25202300825 has 12 divisors (see below), whose sum is σ = 33654765228. Its totient is φ = 18610929600.

The previous prime is 25202300803. The next prime is 25202300833. The reversal of 25202300825 is 52800320252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1745234176 + 23457066649 = 41776^2 + 153157^2 .

It is not a de Polignac number, because 25202300825 - 2¹² = 25202296729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38772446 + ... + 38773095.

It is an arithmetic number, because the mean of its divisors is an integer number (2804563769).

Almost surely, 2^25202300825 is an apocalyptic number.

25202300825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25202300825 is a deficient number, since it is larger than the sum of its proper divisors (8452464403).

25202300825 is a wasteful number, since it uses less digits than its factorization.

25202300825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77545564 (or 77545559 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 25202300825 in words is "twenty-five billion, two hundred two million, three hundred thousand, eight hundred twenty-five".