204153433 has 4 divisors (see below), whose sum is σ = 222712848. Its totient is φ = 185594020.

The previous prime is 204153419. The next prime is 204153517. The reversal of 204153433 is 334351402.

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 204153433 - 2⁵ = 204153401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204153398 and 204153407.

It is not an unprimeable number, because it can be changed into a prime (204253433) 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, 9279691 + ... + 9279712.

It is an arithmetic number, because the mean of its divisors is an integer number (55678212).

Almost surely, 2^204153433 is an apocalyptic number.

It is an amenable number.

204153433 is a deficient number, since it is larger than the sum of its proper divisors (18559415).

204153433 is a wasteful number, since it uses less digits than its factorization.

204153433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18559414.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 204153433 is about 14288.2270768630. The cubic root of 204153433 is about 588.8240803341.

The spelling of 204153433 in words is "two hundred four million, one hundred fifty-three thousand, four hundred thirty-three".