201535513 has 2 divisors, whose sum is σ = 201535514. Its totient is φ = 201535512.

The previous prime is 201535511. The next prime is 201535547. The reversal of 201535513 is 315535102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155675529 + 45859984 = 12477^2 + 6772^2 .

It is a cyclic number.

It is not a de Polignac number, because 201535513 - 2¹ = 201535511 is a prime.

Together with 201535511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201535511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100767756 + 100767757.

It is an arithmetic number, because the mean of its divisors is an integer number (100767757).

Almost surely, 2^201535513 is an apocalyptic number.

It is an amenable number.

201535513 is a deficient number, since it is larger than the sum of its proper divisors (1).

201535513 is an equidigital number, since it uses as much as digits as its factorization.

201535513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 201535513 is about 14196.3204035412. The cubic root of 201535513 is about 586.2963561740.

The spelling of 201535513 in words is "two hundred one million, five hundred thirty-five thousand, five hundred thirteen".