100521052913 has 2 divisors, whose sum is σ = 100521052914. Its totient is φ = 100521052912.

The previous prime is 100521052901. The next prime is 100521052939. The reversal of 100521052913 is 319250125001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96213493489 + 4307559424 = 310183^2 + 65632^2 .

It is an emirp because it is prime and its reverse (319250125001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100521052913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100521052963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260526456 + 50260526457.

It is an arithmetic number, because the mean of its divisors is an integer number (50260526457).

Almost surely, 2^100521052913 is an apocalyptic number.

It is an amenable number.

100521052913 is a deficient number, since it is larger than the sum of its proper divisors (1).

100521052913 is an equidigital number, since it uses as much as digits as its factorization.

100521052913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 100521052913 its reverse (319250125001), we get a palindrome (419771177914).

The spelling of 100521052913 in words is "one hundred billion, five hundred twenty-one million, fifty-two thousand, nine hundred thirteen".