2530764521 has 4 divisors (see below), whose sum is σ = 2548971600. Its totient is φ = 2512557444.

The previous prime is 2530764499. The next prime is 2530764559. The reversal of 2530764521 is 1254670352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530764521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530761521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9103331 + ... + 9103608.

It is an arithmetic number, because the mean of its divisors is an integer number (637242900).

Almost surely, 2^2530764521 is an apocalyptic number.

It is an amenable number.

2530764521 is a deficient number, since it is larger than the sum of its proper divisors (18207079).

2530764521 is a wasteful number, since it uses less digits than its factorization.

2530764521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207078.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2530764521 is about 50306.7045332926. The cubic root of 2530764521 is about 1362.7533107680.

The spelling of 2530764521 in words is "two billion, five hundred thirty million, seven hundred sixty-four thousand, five hundred twenty-one".