201210530 has 32 divisors (see below), whose sum is σ = 366996096. Its totient is φ = 79421824.

The previous prime is 201210523. The next prime is 201210533. The reversal of 201210530 is 35012102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201210533) 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 in 15 ways as a sum of consecutive naturals, for example, 310667 + ... + 311313.

It is an arithmetic number, because the mean of its divisors is an integer number (11468628).

Almost surely, 2^201210530 is an apocalyptic number.

201210530 is a deficient number, since it is larger than the sum of its proper divisors (165785566).

201210530 is a wasteful number, since it uses less digits than its factorization.

201210530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 201210530 is about 14184.8697561874. The cubic root of 201210530 is about 585.9810455649.

Adding to 201210530 its reverse (35012102), we get a palindrome (236222632).

The spelling of 201210530 in words is "two hundred one million, two hundred ten thousand, five hundred thirty".