532784069 has 2 divisors, whose sum is σ = 532784070. Its totient is φ = 532784068.

The previous prime is 532783981. The next prime is 532784099. The reversal of 532784069 is 960487235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423330625 + 109453444 = 20575^2 + 10462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532784069 is a prime.

It is a super-2 number, since 2×532784069² = 567717728360393522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_27989252 and since 532784069 and 27989252 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532784099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266392034 + 266392035.

It is an arithmetic number, because the mean of its divisors is an integer number (266392035).

Almost surely, 2^532784069 is an apocalyptic number.

It is an amenable number.

532784069 is a deficient number, since it is larger than the sum of its proper divisors (1).

532784069 is an equidigital number, since it uses as much as digits as its factorization.

532784069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 532784069 is about 23082.1157825707. The cubic root of 532784069 is about 810.6817757329.

The spelling of 532784069 in words is "five hundred thirty-two million, seven hundred eighty-four thousand, sixty-nine".