202542041 has 8 divisors (see below), whose sum is σ = 218274504. Its totient is φ = 186831360.

The previous prime is 202542037. The next prime is 202542059. The reversal of 202542041 is 140245202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58446025 + 144096016 = 7645^2 + 12004^2 .

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 202542041 - 2² = 202542037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202542031) 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, 17471 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (27284313).

Almost surely, 2^202542041 is an apocalyptic number.

It is an amenable number.

202542041 is a deficient number, since it is larger than the sum of its proper divisors (15732463).

202542041 is a wasteful number, since it uses less digits than its factorization.

202542041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 202542041 is about 14231.7265642648. The cubic root of 202542041 is about 587.2707816227.

Adding to 202542041 its reverse (140245202), we get a palindrome (342787243).

The spelling of 202542041 in words is "two hundred two million, five hundred forty-two thousand, forty-one".