524332561 has 2 divisors, whose sum is σ = 524332562. Its totient is φ = 524332560.

The previous prime is 524332537. The next prime is 524332573. The reversal of 524332561 is 165233425.

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., 516152961 + 8179600 = 22719^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 524332561 - 2²⁷ = 390114833 is a prime.

It is not a weakly prime, because it can be changed into another prime (524302561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262166280 + 262166281.

It is an arithmetic number, because the mean of its divisors is an integer number (262166281).

Almost surely, 2^524332561 is an apocalyptic number.

It is an amenable number.

524332561 is a deficient number, since it is larger than the sum of its proper divisors (1).

524332561 is an equidigital number, since it uses as much as digits as its factorization.

524332561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 524332561 is about 22898.3091297152. The cubic root of 524332561 is about 806.3723160698.

Adding to 524332561 its reverse (165233425), we get a palindrome (689565986).

The spelling of 524332561 in words is "five hundred twenty-four million, three hundred thirty-two thousand, five hundred sixty-one".