202555 has 8 divisors (see below), whose sum is σ = 257472. Its totient is φ = 152448.

The previous prime is 202549. The next prime is 202567. The reversal of 202555 is 555202.

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 202555 - 2¹⁷ = 71483 is a prime.

It is a Duffinian number.

202555 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1107 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (32184).

2²⁰²⁵⁵⁵ is an apocalyptic number.

202555 is a deficient number, since it is larger than the sum of its proper divisors (54917).

202555 is a wasteful number, since it uses less digits than its factorization.

202555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 202555 is about 450.0611069622. The cubic root of 202555 is about 58.7283306232.

Adding to 202555 its reverse (555202), we get a palindrome (757757).

It can be divided in two parts, 2025 and 55, that added together give a triangular number (2080 = T₆₄).

The spelling of 202555 in words is "two hundred two thousand, five hundred fifty-five".