530987533 has 2 divisors, whose sum is σ = 530987534. Its totient is φ = 530987532.

The previous prime is 530987491. The next prime is 530987539. The reversal of 530987533 is 335789035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497602249 + 33385284 = 22307^2 + 5778^2 .

It is a cyclic number.

It is not a de Polignac number, because 530987533 - 2²¹ = 528890381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530987533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530987539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265493766 + 265493767.

It is an arithmetic number, because the mean of its divisors is an integer number (265493767).

Almost surely, 2^530987533 is an apocalyptic number.

It is an amenable number.

530987533 is a deficient number, since it is larger than the sum of its proper divisors (1).

530987533 is an equidigital number, since it uses as much as digits as its factorization.

530987533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 530987533 is about 23043.1667311592. The cubic root of 530987533 is about 809.7695493375.

The spelling of 530987533 in words is "five hundred thirty million, nine hundred eighty-seven thousand, five hundred thirty-three".