201042013 has 2 divisors, whose sum is σ = 201042014. Its totient is φ = 201042012.

The previous prime is 201041999. The next prime is 201042113. The reversal of 201042013 is 310240102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171426649 + 29615364 = 13093^2 + 5442^2 .

It is a cyclic number.

It is not a de Polignac number, because 201042013 - 2⁹ = 201041501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201041984 and 201042002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201042113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521006 + 100521007.

It is an arithmetic number, because the mean of its divisors is an integer number (100521007).

Almost surely, 2^201042013 is an apocalyptic number.

It is an amenable number.

201042013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042013 is an equidigital number, since it uses as much as digits as its factorization.

201042013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201042013 is about 14178.9284856085. The cubic root of 201042013 is about 585.8174104107.

Adding to 201042013 its reverse (310240102), we get a palindrome (511282115).

The spelling of 201042013 in words is "two hundred one million, forty-two thousand, thirteen".