204042025 has 24 divisors (see below), whose sum is σ = 276768000. Its totient is φ = 147988800.

The previous prime is 204042019. The next prime is 204042029. The reversal of 204042025 is 520240402.

204042025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204042025 - 2¹⁷ = 203910953 is a prime.

It is a super-2 number, since 2×204042025² = 83266295932201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204041993 and 204042011.

It is not an unprimeable number, because it can be changed into a prime (204042029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130951 + ... + 132499.

It is an arithmetic number, because the mean of its divisors is an integer number (11532000).

Almost surely, 2^204042025 is an apocalyptic number.

204042025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204042025 is a deficient number, since it is larger than the sum of its proper divisors (72725975).

204042025 is a wasteful number, since it uses less digits than its factorization.

204042025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 204042025 is about 14284.3279505898. The cubic root of 204042025 is about 588.7169523299.

Adding to 204042025 its reverse (520240402), we get a palindrome (724282427).

The spelling of 204042025 in words is "two hundred four million, forty-two thousand, twenty-five".