204375897 has 36 divisors (see below), whose sum is σ = 330702372. Its totient is φ = 121492800.

The previous prime is 204375883. The next prime is 204375911. The reversal of 204375897 is 798573402.

204375897 is a `hidden beast` number, since 20 + 43 + 7 + 589 + 7 = 666.

204375897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204375883) and next prime (204375911).

It can be written as a sum of positive squares in 2 ways, for example, as 117158976 + 87216921 = 10824^2 + 9339^2 .

It is not a de Polignac number, because 204375897 - 2¹² = 204371801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204375817) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55947 + ... + 59487.

It is an arithmetic number, because the mean of its divisors is an integer number (9186177).

Almost surely, 2^204375897 is an apocalyptic number.

It is an amenable number.

204375897 is a deficient number, since it is larger than the sum of its proper divisors (126326475).

204375897 is a wasteful number, since it uses less digits than its factorization.

204375897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 204375897 is about 14296.0098279205. The cubic root of 204375897 is about 589.0378813085.

The spelling of 204375897 in words is "two hundred four million, three hundred seventy-five thousand, eight hundred ninety-seven".