204542452 has 12 divisors (see below), whose sum is σ = 370292580. Its totient is φ = 98744576.

The previous prime is 204542431. The next prime is 204542573. The reversal of 204542452 is 254245402.

It can be written as a sum of positive squares in 2 ways, for example, as 117418896 + 87123556 = 10836^2 + 9334^2 .

It is a super-2 number, since 2×204542452² = 83675229340344608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204542452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881533 + ... + 881764.

It is an arithmetic number, because the mean of its divisors is an integer number (30857715).

Almost surely, 2^204542452 is an apocalyptic number.

It is an amenable number.

204542452 is a deficient number, since it is larger than the sum of its proper divisors (165750128).

204542452 is a wasteful number, since it uses less digits than its factorization.

204542452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763330 (or 1763328 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 204542452 is about 14301.8338684240. The cubic root of 204542452 is about 589.1978489094.

Adding to 204542452 its reverse (254245402), we get a palindrome (458787854).

The spelling of 204542452 in words is "two hundred four million, five hundred forty-two thousand, four hundred fifty-two".