204425501 has 24 divisors (see below), whose sum is σ = 249742080. Its totient is φ = 166622400.

The previous prime is 204425497. The next prime is 204425519. The reversal of 204425501 is 105524402.

It is a happy number.

204425501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204425501 - 2² = 204425497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204425591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88481 + ... + 90761.

It is an arithmetic number, because the mean of its divisors is an integer number (10405920).

Almost surely, 2^204425501 is an apocalyptic number.

It is an amenable number.

204425501 is a deficient number, since it is larger than the sum of its proper divisors (45316579).

204425501 is a wasteful number, since it uses less digits than its factorization.

204425501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 204425501 is about 14297.7446123506. The cubic root of 204425501 is about 589.0855325106.

Adding to 204425501 its reverse (105524402), we get a palindrome (309949903).

The spelling of 204425501 in words is "two hundred four million, four hundred twenty-five thousand, five hundred one".