201323525 has 24 divisors (see below), whose sum is σ = 283002720. Its totient is φ = 140840640.

The previous prime is 201323519. The next prime is 201323527. The reversal of 201323525 is 525323102.

It is a de Polignac number, because none of the positive numbers 2^k-201323525 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201323525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10127 + ... + 22476.

It is an arithmetic number, because the mean of its divisors is an integer number (11791780).

Almost surely, 2^201323525 is an apocalyptic number.

201323525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201323525 is a deficient number, since it is larger than the sum of its proper divisors (81679195).

201323525 is a wasteful number, since it uses less digits than its factorization.

201323525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32645 (or 32640 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 201323525 is about 14188.8521382105. The cubic root of 201323525 is about 586.0907159975.

Adding to 201323525 its reverse (525323102), we get a palindrome (726646627).

The spelling of 201323525 in words is "two hundred one million, three hundred twenty-three thousand, five hundred twenty-five".