204025156 has 6 divisors (see below), whose sum is σ = 357044030. Its totient is φ = 102012576.

The previous prime is 204025147. The next prime is 204025169. The reversal of 204025156 is 651520402.

It can be written as a sum of positive squares in only one way, i.e., 143185156 + 60840000 = 11966^2 + 7800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204025156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503141 + ... + 25503148.

Almost surely, 2^204025156 is an apocalyptic number.

It is an amenable number.

204025156 is a deficient number, since it is larger than the sum of its proper divisors (153018874).

204025156 is a wasteful number, since it uses less digits than its factorization.

204025156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006293 (or 51006291 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 204025156 is about 14283.7374660836. The cubic root of 204025156 is about 588.7007279925.

Adding to 204025156 its reverse (651520402), we get a palindrome (855545558).

The spelling of 204025156 in words is "two hundred four million, twenty-five thousand, one hundred fifty-six".