204872481 has 36 divisors (see below), whose sum is σ = 327403440. Its totient is φ = 123354000.

The previous prime is 204872453. The next prime is 204872509. The reversal of 204872481 is 184278402.

It is an interprime number because it is at equal distance from previous prime (204872453) and next prime (204872509).

It is not a de Polignac number, because 204872481 - 2¹¹ = 204870433 is a prime.

It is a super-2 number, since 2×204872481² = 83945466942190722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204872411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 194406 + ... + 195456.

It is an arithmetic number, because the mean of its divisors is an integer number (9094540).

Almost surely, 2^204872481 is an apocalyptic number.

It is an amenable number.

204872481 is a deficient number, since it is larger than the sum of its proper divisors (122530959).

204872481 is a wasteful number, since it uses less digits than its factorization.

204872481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 204872481 is about 14313.3672139018. The cubic root of 204872481 is about 589.5145686347.

It can be divided in two parts, 2048 and 72481, that added together give a square (74529 = 273²).

The spelling of 204872481 in words is "two hundred four million, eight hundred seventy-two thousand, four hundred eighty-one".