204425153425 has 12 divisors (see below), whose sum is σ = 268398201996. Its totient is φ = 153920115200.

The previous prime is 204425153393. The next prime is 204425153453. The reversal of 204425153425 is 524351524402.

It can be written as a sum of positive squares in 6 ways, for example, as 9042049 + 204416111376 = 3007^2 + 452124^2 .

It is not a de Polignac number, because 204425153425 - 2⁵ = 204425153393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240499756 + ... + 240500605.

It is an arithmetic number, because the mean of its divisors is an integer number (22366516833).

Almost surely, 2^204425153425 is an apocalyptic number.

204425153425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204425153425 is a deficient number, since it is larger than the sum of its proper divisors (63973048571).

204425153425 is a wasteful number, since it uses less digits than its factorization.

204425153425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481000388 (or 481000383 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 204425153425 its reverse (524351524402), we get a palindrome (728776677827).

The spelling of 204425153425 in words is "two hundred four billion, four hundred twenty-five million, one hundred fifty-three thousand, four hundred twenty-five".