202255987 has 4 divisors (see below), whose sum is σ = 214153416. Its totient is φ = 190358560.

The previous prime is 202255973. The next prime is 202256011. The reversal of 202255987 is 789552202.

202255987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202255987 - 2¹¹ = 202253939 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202255927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948689 + ... + 5948722.

It is an arithmetic number, because the mean of its divisors is an integer number (53538354).

Almost surely, 2^202255987 is an apocalyptic number.

202255987 is a deficient number, since it is larger than the sum of its proper divisors (11897429).

202255987 is a wasteful number, since it uses less digits than its factorization.

202255987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11897428.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 202255987 is about 14221.6731434807. The cubic root of 202255987 is about 586.9941801113.

The spelling of 202255987 in words is "two hundred two million, two hundred fifty-five thousand, nine hundred eighty-seven".