2530242521 has 8 divisors (see below), whose sum is σ = 2735398080. Its totient is φ = 2332285488.

The previous prime is 2530242511. The next prime is 2530242529. The reversal of 2530242521 is 1252420352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530242521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530242529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798901 + ... + 1800306.

It is an arithmetic number, because the mean of its divisors is an integer number (341924760).

Almost surely, 2^2530242521 is an apocalyptic number.

It is an amenable number.

2530242521 is a deficient number, since it is larger than the sum of its proper divisors (205155559).

2530242521 is a wasteful number, since it uses less digits than its factorization.

2530242521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599263.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2530242521 is about 50301.5160904719. The cubic root of 2530242521 is about 1362.6596096833.

Adding to 2530242521 its reverse (1252420352), we get a palindrome (3782662873).

The spelling of 2530242521 in words is "two billion, five hundred thirty million, two hundred forty-two thousand, five hundred twenty-one".