2530422761 has 4 divisors (see below), whose sum is σ = 2530540500. Its totient is φ = 2530305024.

The previous prime is 2530422757. The next prime is 2530422773. The reversal of 2530422761 is 1672240352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2278248361 + 252174400 = 47731^2 + 15880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530422761 - 2² = 2530422757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530422721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16436 + ... + 73013.

It is an arithmetic number, because the mean of its divisors is an integer number (632635125).

Almost surely, 2^2530422761 is an apocalyptic number.

It is an amenable number.

2530422761 is a deficient number, since it is larger than the sum of its proper divisors (117739).

2530422761 is an equidigital number, since it uses as much as digits as its factorization.

2530422761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117738.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2530422761 is about 50303.3076546662. The cubic root of 2530422761 is about 1362.6919649397.

The spelling of 2530422761 in words is "two billion, five hundred thirty million, four hundred twenty-two thousand, seven hundred sixty-one".