205541502 has 32 divisors (see below), whose sum is σ = 428129280. Its totient is φ = 65704800.

The previous prime is 205541447. The next prime is 205541503. The reversal of 205541502 is 205145502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205541503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22363 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (13379040).

Almost surely, 2^205541502 is an apocalyptic number.

205541502 is an abundant number, since it is smaller than the sum of its proper divisors (222587778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205541502 is a wasteful number, since it uses less digits than its factorization.

205541502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 205541502 is about 14336.7186622323. The cubic root of 205541502 is about 590.1555675189.

The spelling of 205541502 in words is "two hundred five million, five hundred forty-one thousand, five hundred two".