530505552761 has 2 divisors, whose sum is σ = 530505552762. Its totient is φ = 530505552760.

The previous prime is 530505552727. The next prime is 530505552763. The reversal of 530505552761 is 167255505035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392682702736 + 137822850025 = 626644^2 + 371245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530505552761 is a prime.

It is a super-2 number, since 2×530505552761² (a number of 24 digits) contains 22 as substring.

Together with 530505552763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530505552763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265252776380 + 265252776381.

It is an arithmetic number, because the mean of its divisors is an integer number (265252776381).

Almost surely, 2^530505552761 is an apocalyptic number.

It is an amenable number.

530505552761 is a deficient number, since it is larger than the sum of its proper divisors (1).

530505552761 is an equidigital number, since it uses as much as digits as its factorization.

530505552761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 44.

The spelling of 530505552761 in words is "five hundred thirty billion, five hundred five million, five hundred fifty-two thousand, seven hundred sixty-one".