2521104541 has 2 divisors, whose sum is σ = 2521104542. Its totient is φ = 2521104540.

The previous prime is 2521104493. The next prime is 2521104611. The reversal of 2521104541 is 1454011252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2176222500 + 344882041 = 46650^2 + 18571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521104541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521104041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260552270 + 1260552271.

It is an arithmetic number, because the mean of its divisors is an integer number (1260552271).

Almost surely, 2^2521104541 is an apocalyptic number.

It is an amenable number.

2521104541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521104541 is an equidigital number, since it uses as much as digits as its factorization.

2521104541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2521104541 is about 50210.6018784878. The cubic root of 2521104541 is about 1361.0172142212.

Adding to 2521104541 its reverse (1454011252), we get a palindrome (3975115793).

The spelling of 2521104541 in words is "two billion, five hundred twenty-one million, one hundred four thousand, five hundred forty-one".