201013523 has 2 divisors, whose sum is σ = 201013524. Its totient is φ = 201013522.

The previous prime is 201013499. The next prime is 201013543. The reversal of 201013523 is 325310102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201013523 - 2¹⁰ = 201012499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201013543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506761 + 100506762.

It is an arithmetic number, because the mean of its divisors is an integer number (100506762).

Almost surely, 2^201013523 is an apocalyptic number.

201013523 is a deficient number, since it is larger than the sum of its proper divisors (1).

201013523 is an equidigital number, since it uses as much as digits as its factorization.

201013523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201013523 is about 14177.9237901746. The cubic root of 201013523 is about 585.7897367150.

Adding to 201013523 its reverse (325310102), we get a palindrome (526323625).

The spelling of 201013523 in words is "two hundred one million, thirteen thousand, five hundred twenty-three".