530304881 has 2 divisors, whose sum is σ = 530304882. Its totient is φ = 530304880.

The previous prime is 530304869. The next prime is 530304889. The reversal of 530304881 is 188403035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529690225 + 614656 = 23015^2 + 784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530304881 is a prime.

It is a super-2 number, since 2×530304881² = 562446533624848322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530304889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265152440 + 265152441.

It is an arithmetic number, because the mean of its divisors is an integer number (265152441).

Almost surely, 2^530304881 is an apocalyptic number.

It is an amenable number.

530304881 is a deficient number, since it is larger than the sum of its proper divisors (1).

530304881 is an equidigital number, since it uses as much as digits as its factorization.

530304881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 530304881 is about 23028.3495066407. The cubic root of 530304881 is about 809.4223799398.

The spelling of 530304881 in words is "five hundred thirty million, three hundred four thousand, eight hundred eighty-one".