201030525 has 48 divisors (see below), whose sum is σ = 391046400. Its totient is φ = 100903680.

The previous prime is 201030521. The next prime is 201030551. The reversal of 201030525 is 525030102.

It is a happy number.

It is not a de Polignac number, because 201030525 - 2² = 201030521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201030498 and 201030507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2716 + ... + 20234.

It is an arithmetic number, because the mean of its divisors is an integer number (8146800).

Almost surely, 2^201030525 is an apocalyptic number.

201030525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201030525 is a deficient number, since it is larger than the sum of its proper divisors (190015875).

201030525 is a wasteful number, since it uses less digits than its factorization.

201030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555 (or 17544 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 201030525 is about 14178.5233716350. The cubic root of 201030525 is about 585.8062518830.

Adding to 201030525 its reverse (525030102), we get a palindrome (726060627).

The spelling of 201030525 in words is "two hundred one million, thirty thousand, five hundred twenty-five".