530351881 has 2 divisors, whose sum is σ = 530351882. Its totient is φ = 530351880.

The previous prime is 530351831. The next prime is 530351893. The reversal of 530351881 is 188153035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394419600 + 135932281 = 19860^2 + 11659^2 .

It is a cyclic number.

It is not a de Polignac number, because 530351881 - 2⁹ = 530351369 is a prime.

It is a super-2 number, since 2×530351881² = 562546235360476322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530351831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265175940 + 265175941.

It is an arithmetic number, because the mean of its divisors is an integer number (265175941).

Almost surely, 2^530351881 is an apocalyptic number.

It is an amenable number.

530351881 is a deficient number, since it is larger than the sum of its proper divisors (1).

530351881 is an equidigital number, since it uses as much as digits as its factorization.

530351881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 530351881 is about 23029.3699653291. The cubic root of 530351881 is about 809.4462917997.

The spelling of 530351881 in words is "five hundred thirty million, three hundred fifty-one thousand, eight hundred eighty-one".