531041587 has 2 divisors, whose sum is σ = 531041588. Its totient is φ = 531041586.

The previous prime is 531041527. The next prime is 531041593. The reversal of 531041587 is 785140135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531041587 - 2¹¹ = 531039539 is a prime.

It is not a weakly prime, because it can be changed into another prime (531041527) 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, 265520793 + 265520794.

It is an arithmetic number, because the mean of its divisors is an integer number (265520794).

Almost surely, 2^531041587 is an apocalyptic number.

531041587 is a deficient number, since it is larger than the sum of its proper divisors (1).

531041587 is an equidigital number, since it uses as much as digits as its factorization.

531041587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 531041587 is about 23044.3395869788. The cubic root of 531041587 is about 809.7970263153.

The spelling of 531041587 in words is "five hundred thirty-one million, forty-one thousand, five hundred eighty-seven".