204261534 has 32 divisors (see below), whose sum is σ = 466187040. Its totient is φ = 66246336.

The previous prime is 204261527. The next prime is 204261581. The reversal of 204261534 is 435162402.

204261534 is a `hidden beast` number, since 2 + 0 + 42 + 615 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 204261498 and 204261507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49119 + ... + 53114.

It is an arithmetic number, because the mean of its divisors is an integer number (14568345).

Almost surely, 2^204261534 is an apocalyptic number.

204261534 is an abundant number, since it is smaller than the sum of its proper divisors (261925506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204261534 is a wasteful number, since it uses less digits than its factorization.

204261534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102281 (or 102275 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 204261534 is about 14292.0094458407. The cubic root of 204261534 is about 588.9279911353.

The spelling of 204261534 in words is "two hundred four million, two hundred sixty-one thousand, five hundred thirty-four".