204291249 has 16 divisors (see below), whose sum is σ = 288828480. Its totient is φ = 128079360.

The previous prime is 204291247. The next prime is 204291253. The reversal of 204291249 is 942192402.

204291249 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 204291249 - 2¹ = 204291247 is a prime.

It is a super-3 number, since 3×204291249³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204291247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5272 + ... + 20889.

It is an arithmetic number, because the mean of its divisors is an integer number (18051780).

Almost surely, 2^204291249 is an apocalyptic number.

It is an amenable number.

204291249 is a deficient number, since it is larger than the sum of its proper divisors (84537231).

204291249 is a wasteful number, since it uses less digits than its factorization.

204291249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26320.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 204291249 is about 14293.0489749388. The cubic root of 204291249 is about 588.9565479017.

The spelling of 204291249 in words is "two hundred four million, two hundred ninety-one thousand, two hundred forty-nine".