204825249 has 6 divisors (see below), whose sum is σ = 295858706. Its totient is φ = 136550160.

The previous prime is 204825239. The next prime is 204825259. The reversal of 204825249 is 942528402.

It is an interprime number because it is at equal distance from previous prime (204825239) and next prime (204825259).

It can be written as a sum of positive squares in only one way, i.e., 155376225 + 49449024 = 12465^2 + 7032^2 .

It is not a de Polignac number, because 204825249 - 2¹⁷ = 204694177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204825209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11379172 + ... + 11379189.

Almost surely, 2^204825249 is an apocalyptic number.

It is an amenable number.

204825249 is a deficient number, since it is larger than the sum of its proper divisors (91033457).

204825249 is a wasteful number, since it uses less digits than its factorization.

204825249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22758367 (or 22758364 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 204825249 is about 14311.7171925664. The cubic root of 204825249 is about 589.4692622535.

The spelling of 204825249 in words is "two hundred four million, eight hundred twenty-five thousand, two hundred forty-nine".