530234987 has 2 divisors, whose sum is σ = 530234988. Its totient is φ = 530234986.

The previous prime is 530234963. The next prime is 530235019. The reversal of 530234987 is 789432035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530234987 - 2⁶ = 530234923 is a prime.

It is a super-2 number, since 2×530234987² = 562298282877780338, which contains 22 as substring.

It is a Chen prime.

It is equal to p_27862484 and since 530234987 and 27862484 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (530231987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265117493 + 265117494.

It is an arithmetic number, because the mean of its divisors is an integer number (265117494).

Almost surely, 2^530234987 is an apocalyptic number.

530234987 is a deficient number, since it is larger than the sum of its proper divisors (1).

530234987 is an equidigital number, since it uses as much as digits as its factorization.

530234987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 530234987 is about 23026.8318923815. The cubic root of 530234987 is about 809.3868178475.

The spelling of 530234987 in words is "five hundred thirty million, two hundred thirty-four thousand, nine hundred eighty-seven".