204503542 has 4 divisors (see below), whose sum is σ = 306755316. Its totient is φ = 102251770.

The previous prime is 204503539. The next prime is 204503561. The reversal of 204503542 is 245305402.

204503542 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 245305402 = 2 ⋅122652701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51125884 + ... + 51125887.

It is an arithmetic number, because the mean of its divisors is an integer number (76688829).

Almost surely, 2^204503542 is an apocalyptic number.

204503542 is a deficient number, since it is larger than the sum of its proper divisors (102251774).

204503542 is a wasteful number, since it uses less digits than its factorization.

204503542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102251773.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 204503542 is about 14300.4734886646. The cubic root of 204503542 is about 589.1604856107.

Adding to 204503542 its reverse (245305402), we get a palindrome (449808944).

The spelling of 204503542 in words is "two hundred four million, five hundred three thousand, five hundred forty-two".