202555013 has 2 divisors, whose sum is σ = 202555014. Its totient is φ = 202555012.

The previous prime is 202555009. The next prime is 202555033. The reversal of 202555013 is 310555202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199176769 + 3378244 = 14113^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 202555013 - 2² = 202555009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202555013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202555033) 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 as a sum of consecutive naturals, namely, 101277506 + 101277507.

It is an arithmetic number, because the mean of its divisors is an integer number (101277507).

Almost surely, 2^202555013 is an apocalyptic number.

It is an amenable number.

202555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

202555013 is an equidigital number, since it uses as much as digits as its factorization.

202555013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 202555013 is about 14232.1822992821. The cubic root of 202555013 is about 587.2833187959.

The spelling of 202555013 in words is "two hundred two million, five hundred fifty-five thousand, thirteen".