202135061 has 2 divisors, whose sum is σ = 202135062. Its totient is φ = 202135060.

The previous prime is 202135027. The next prime is 202135079. The reversal of 202135061 is 160531202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199346161 + 2788900 = 14119^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 202135061 - 2⁶ = 202134997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202135001) 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 as a sum of consecutive naturals, namely, 101067530 + 101067531.

It is an arithmetic number, because the mean of its divisors is an integer number (101067531).

Almost surely, 2^202135061 is an apocalyptic number.

It is an amenable number.

202135061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202135061 is an equidigital number, since it uses as much as digits as its factorization.

202135061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 202135061 is about 14217.4210389930. The cubic root of 202135061 is about 586.8771716105.

Adding to 202135061 its reverse (160531202), we get a palindrome (362666263).

The spelling of 202135061 in words is "two hundred two million, one hundred thirty-five thousand, sixty-one".