2530021541 has 8 divisors (see below), whose sum is σ = 2543955480. Its totient is φ = 2516113152.

The previous prime is 2530021537. The next prime is 2530021561. The reversal of 2530021541 is 1451200352.

It can be written as a sum of positive squares in 4 ways, for example, as 1532409316 + 997612225 = 39146^2 + 31585^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2530021541 - 2² = 2530021537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530021511) 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, 212441 + ... + 224033.

It is an arithmetic number, because the mean of its divisors is an integer number (317994435).

Almost surely, 2^2530021541 is an apocalyptic number.

It is an amenable number.

2530021541 is a deficient number, since it is larger than the sum of its proper divisors (13933939).

2530021541 is a wasteful number, since it uses less digits than its factorization.

2530021541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12775.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2530021541 is about 50299.3194884384. The cubic root of 2530021541 is about 1362.6199390082.

Adding to 2530021541 its reverse (1451200352), we get a palindrome (3981221893).

The spelling of 2530021541 in words is "two billion, five hundred thirty million, twenty-one thousand, five hundred forty-one".