202252541 has 4 divisors (see below), whose sum is σ = 202453212. Its totient is φ = 202051872.

The previous prime is 202252507. The next prime is 202252579. The reversal of 202252541 is 145252202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44222500 + 158030041 = 6650^2 + 12571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202252541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202252591) 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 3 ways as a sum of consecutive naturals, for example, 98816 + ... + 100841.

It is an arithmetic number, because the mean of its divisors is an integer number (50613303).

Almost surely, 2^202252541 is an apocalyptic number.

It is an amenable number.

202252541 is a deficient number, since it is larger than the sum of its proper divisors (200671).

202252541 is a wasteful number, since it uses less digits than its factorization.

202252541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200670.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 202252541 is about 14221.5519898498. The cubic root of 202252541 is about 586.9908463931.

The spelling of 202252541 in words is "two hundred two million, two hundred fifty-two thousand, five hundred forty-one".