204683057 has 4 divisors (see below), whose sum is σ = 207738096. Its totient is φ = 201628020.

The previous prime is 204683041. The next prime is 204683071. The reversal of 204683057 is 750386402.

It is a happy number.

204683057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204683057 - 2⁴ = 204683041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204683027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527419 + ... + 1527552.

It is an arithmetic number, because the mean of its divisors is an integer number (51934524).

Almost surely, 2^204683057 is an apocalyptic number.

It is an amenable number.

204683057 is a deficient number, since it is larger than the sum of its proper divisors (3055039).

204683057 is an equidigital number, since it uses as much as digits as its factorization.

204683057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055038.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 204683057 is about 14306.7486522969. The cubic root of 204683057 is about 589.3328252713.

The spelling of 204683057 in words is "two hundred four million, six hundred eighty-three thousand, fifty-seven".