204652261 has 12 divisors (see below), whose sum is σ = 226683072. Its totient is φ = 184613000.

The previous prime is 204652247. The next prime is 204652277. The reversal of 204652261 is 162256402.

It is a de Polignac number, because none of the positive numbers 2^k-204652261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204658261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9396 + ... + 22306.

It is an arithmetic number, because the mean of its divisors is an integer number (18890256).

Almost surely, 2^204652261 is an apocalyptic number.

It is an amenable number.

204652261 is a deficient number, since it is larger than the sum of its proper divisors (22030811).

204652261 is a wasteful number, since it uses less digits than its factorization.

204652261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13064 (or 13053 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 204652261 is about 14305.6723365244. The cubic root of 204652261 is about 589.3032673713.

The spelling of 204652261 in words is "two hundred four million, six hundred fifty-two thousand, two hundred sixty-one".