201335125 has 8 divisors (see below), whose sum is σ = 251266392. Its totient is φ = 161068000.

The previous prime is 201335107. The next prime is 201335129. The reversal of 201335125 is 521533102.

It can be written as a sum of positive squares in 4 ways, for example, as 574564 + 200760561 = 758^2 + 14169^2 .

It is not a de Polignac number, because 201335125 - 2⁹ = 201334613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201335096 and 201335105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201335129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805216 + ... + 805465.

It is an arithmetic number, because the mean of its divisors is an integer number (31408299).

Almost surely, 2^201335125 is an apocalyptic number.

201335125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201335125 is a deficient number, since it is larger than the sum of its proper divisors (49931267).

201335125 is an equidigital number, since it uses as much as digits as its factorization.

201335125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610696 (or 1610686 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 201335125 is about 14189.2609039372. The cubic root of 201335125 is about 586.1019723765.

Adding to 201335125 its reverse (521533102), we get a palindrome (722868227).

The spelling of 201335125 in words is "two hundred one million, three hundred thirty-five thousand, one hundred twenty-five".