204125425652 has 24 divisors (see below), whose sum is σ = 366898384776. Its totient is φ = 99297681408.

The previous prime is 204125425631. The next prime is 204125425667. The reversal of 204125425652 is 256524521402.

It can be written as a sum of positive squares in 4 ways, for example, as 57103793296 + 147021632356 = 238964^2 + 383434^2 .

It is a super-2 number, since 2×204125425652² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2786648 + ... + 2858960.

It is an arithmetic number, because the mean of its divisors is an integer number (15287432699).

Almost surely, 2^204125425652 is an apocalyptic number.

It is an amenable number.

204125425652 is a deficient number, since it is larger than the sum of its proper divisors (162772959124).

204125425652 is a wasteful number, since it uses less digits than its factorization.

204125425652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91427 (or 91425 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 204125425652 in words is "two hundred four billion, one hundred twenty-five million, four hundred twenty-five thousand, six hundred fifty-two".