523630201 has 2 divisors, whose sum is σ = 523630202. Its totient is φ = 523630200.

The previous prime is 523630193. The next prime is 523630309. The reversal of 523630201 is 102036325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413064976 + 110565225 = 20324^2 + 10515^2 .

It is a cyclic number.

It is not a de Polignac number, because 523630201 - 2³ = 523630193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523630001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261815100 + 261815101.

It is an arithmetic number, because the mean of its divisors is an integer number (261815101).

Almost surely, 2^523630201 is an apocalyptic number.

It is an amenable number.

523630201 is a deficient number, since it is larger than the sum of its proper divisors (1).

523630201 is an equidigital number, since it uses as much as digits as its factorization.

523630201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 523630201 is about 22882.9674867575. The cubic root of 523630201 is about 806.0121014670.

Adding to 523630201 its reverse (102036325), we get a palindrome (625666526).

The spelling of 523630201 in words is "five hundred twenty-three million, six hundred thirty thousand, two hundred one".