523544201 has 2 divisors, whose sum is σ = 523544202. Its totient is φ = 523544200.

The previous prime is 523544167. The next prime is 523544207. The reversal of 523544201 is 102445325.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491065600 + 32478601 = 22160^2 + 5699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523544201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (523544207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261772100 + 261772101.

It is an arithmetic number, because the mean of its divisors is an integer number (261772101).

Almost surely, 2^523544201 is an apocalyptic number.

It is an amenable number.

523544201 is a deficient number, since it is larger than the sum of its proper divisors (1).

523544201 is an equidigital number, since it uses as much as digits as its factorization.

523544201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 523544201 is about 22881.0882826845. The cubic root of 523544201 is about 805.9679731007.

Adding to 523544201 its reverse (102445325), we get a palindrome (625989526).

The spelling of 523544201 in words is "five hundred twenty-three million, five hundred forty-four thousand, two hundred one".