530015661173 has 2 divisors, whose sum is σ = 530015661174. Its totient is φ = 530015661172.

The previous prime is 530015661137. The next prime is 530015661181. The reversal of 530015661173 is 371166510035.

It is a happy number.

Together with previous prime (530015661137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527763019729 + 2252641444 = 726473^2 + 47462^2 .

It is a cyclic number.

It is not a de Polignac number, because 530015661173 - 2¹² = 530015657077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530015661673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265007830586 + 265007830587.

It is an arithmetic number, because the mean of its divisors is an integer number (265007830587).

Almost surely, 2^530015661173 is an apocalyptic number.

It is an amenable number.

530015661173 is a deficient number, since it is larger than the sum of its proper divisors (1).

530015661173 is an equidigital number, since it uses as much as digits as its factorization.

530015661173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 530015661173 in words is "five hundred thirty billion, fifteen million, six hundred sixty-one thousand, one hundred seventy-three".