204272513 has 8 divisors (see below), whose sum is σ = 205591008. Its totient is φ = 202958784.

The previous prime is 204272503. The next prime is 204272521. The reversal of 204272513 is 315272402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204272513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204272503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121706 + ... + 123372.

It is an arithmetic number, because the mean of its divisors is an integer number (25698876).

Almost surely, 2^204272513 is an apocalyptic number.

It is an amenable number.

204272513 is a deficient number, since it is larger than the sum of its proper divisors (1318495).

204272513 is a wasteful number, since it uses less digits than its factorization.

204272513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 204272513 is about 14292.3935364235. The cubic root of 204272513 is about 588.9385425176.

The spelling of 204272513 in words is "two hundred four million, two hundred seventy-two thousand, five hundred thirteen".