530640525842261 has 4 divisors (see below), whose sum is σ = 530648415184524. Its totient is φ = 530632636500000.

The previous prime is 530640525842209. The next prime is 530640525842263. The reversal of 530640525842261 is 162248525046035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 476614130272036 + 54026395570225 = 21831494^2 + 7350265^2 .

It is a cyclic number.

It is not a de Polignac number, because 530640525842261 - 2¹⁴ = 530640525825877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530640525842263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944570240 + ... + 3944704761.

It is an arithmetic number, because the mean of its divisors is an integer number (132662103796131).

Almost surely, 2^{530640525842261} is an apocalyptic number.

It is an amenable number.

530640525842261 is a deficient number, since it is larger than the sum of its proper divisors (7889342263).

530640525842261 is an equidigital number, since it uses as much as digits as its factorization.

530640525842261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889342262.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 530640525842261 in words is "five hundred thirty trillion, six hundred forty billion, five hundred twenty-five million, eight hundred forty-two thousand, two hundred sixty-one".