204514125421 has 8 divisors (see below), whose sum is σ = 206421963264. Its totient is φ = 202608006720.

The previous prime is 204514125367. The next prime is 204514125457. The reversal of 204514125421 is 124521415402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204514125421 - 2²⁵ = 204480570989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204514123421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190131 + ... + 667216.

It is an arithmetic number, because the mean of its divisors is an integer number (25802745408).

Almost surely, 2^204514125421 is an apocalyptic number.

It is an amenable number.

204514125421 is a deficient number, since it is larger than the sum of its proper divisors (1907837843).

204514125421 is a wasteful number, since it uses less digits than its factorization.

204514125421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859571.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 204514125421 in words is "two hundred four billion, five hundred fourteen million, one hundred twenty-five thousand, four hundred twenty-one".