2025400052 has 12 divisors (see below), whose sum is σ = 3817100196. Its totient is φ = 934800000.

The previous prime is 2025400051. The next prime is 2025400081. The reversal of 2025400052 is 2500045202.

It can be written as a sum of positive squares in 2 ways, for example, as 688327696 + 1337072356 = 26236^2 + 36566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2025399997 and 2025400033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025400051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19474949 + ... + 19475052.

It is an arithmetic number, because the mean of its divisors is an integer number (318091683).

Almost surely, 2^2025400052 is an apocalyptic number.

It is an amenable number.

2025400052 is a deficient number, since it is larger than the sum of its proper divisors (1791700144).

2025400052 is a wasteful number, since it uses less digits than its factorization.

2025400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38950018 (or 38950016 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2025400052 is about 45004.4448027081. Note that the first 3 decimals coincide. The cubic root of 2025400052 is about 1265.2323052878.

Adding to 2025400052 its reverse (2500045202), we get a palindrome (4525445254).

The spelling of 2025400052 in words is "two billion, twenty-five million, four hundred thousand, fifty-two".