25202305325 has 6 divisors (see below), whose sum is σ = 31250858634. Its totient is φ = 20161844240.

The previous prime is 25202305313. The next prime is 25202305391. The reversal of 25202305325 is 52350320252.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5822569 + 25196482756 = 2413^2 + 158734^2 .

It is not a de Polignac number, because 25202305325 - 2⁴ = 25202305309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 504046082 + ... + 504046131.

It is an arithmetic number, because the mean of its divisors is an integer number (5208476439).

Almost surely, 2^25202305325 is an apocalyptic number.

25202305325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25202305325 is a deficient number, since it is larger than the sum of its proper divisors (6048553309).

25202305325 is a wasteful number, since it uses less digits than its factorization.

25202305325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008092223 (or 1008092218 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 25202305325 its reverse (52350320252), we get a palindrome (77552625577).

The spelling of 25202305325 in words is "twenty-five billion, two hundred two million, three hundred five thousand, three hundred twenty-five".