2530721541 has 16 divisors (see below), whose sum is σ = 3591502848. Its totient is φ = 1579584000.

The previous prime is 2530721509. The next prime is 2530721573. The reversal of 2530721541 is 1451270352.

It is an interprime number because it is at equal distance from previous prime (2530721509) and next prime (2530721573).

It is not a de Polignac number, because 2530721541 - 2⁵ = 2530721509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530721499 and 2530721508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530721041) 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 15 ways as a sum of consecutive naturals, for example, 120160 + ... + 139641.

It is an arithmetic number, because the mean of its divisors is an integer number (224468928).

Almost surely, 2^2530721541 is an apocalyptic number.

It is an amenable number.

2530721541 is a deficient number, since it is larger than the sum of its proper divisors (1060781307).

2530721541 is a wasteful number, since it uses less digits than its factorization.

2530721541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260012.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2530721541 is about 50306.2773518375. The cubic root of 2530721541 is about 1362.7455961732.

Adding to 2530721541 its reverse (1451270352), we get a palindrome (3981991893).

The spelling of 2530721541 in words is "two billion, five hundred thirty million, seven hundred twenty-one thousand, five hundred forty-one".