531732601 has 2 divisors, whose sum is σ = 531732602. Its totient is φ = 531732600.

The previous prime is 531732599. The next prime is 531732679. The reversal of 531732601 is 106237135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419266576 + 112466025 = 20476^2 + 10605^2 .

It is a cyclic number.

It is not a de Polignac number, because 531732601 - 2¹ = 531732599 is a prime.

Together with 531732599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 531732601.

It is not a weakly prime, because it can be changed into another prime (531732401) 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 as a sum of consecutive naturals, namely, 265866300 + 265866301.

It is an arithmetic number, because the mean of its divisors is an integer number (265866301).

Almost surely, 2^531732601 is an apocalyptic number.

It is an amenable number.

531732601 is a deficient number, since it is larger than the sum of its proper divisors (1).

531732601 is an equidigital number, since it uses as much as digits as its factorization.

531732601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 531732601 is about 23059.3278523031. The cubic root of 531732601 is about 810.1481215681.

Adding to 531732601 its reverse (106237135), we get a palindrome (637969736).

The spelling of 531732601 in words is "five hundred thirty-one million, seven hundred thirty-two thousand, six hundred one".