5122041521 has 2 divisors, whose sum is σ = 5122041522. Its totient is φ = 5122041520.

The previous prime is 5122041499. The next prime is 5122041539. The reversal of 5122041521 is 1251402215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107103296 + 14938225 = 71464^2 + 3865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5122041521 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 (5122041121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561020760 + 2561020761.

It is an arithmetic number, because the mean of its divisors is an integer number (2561020761).

Almost surely, 2^5122041521 is an apocalyptic number.

It is an amenable number.

5122041521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122041521 is an equidigital number, since it uses as much as digits as its factorization.

5122041521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5122041521 is about 71568.4394199007. The cubic root of 5122041521 is about 1723.7768009424.

Adding to 5122041521 its reverse (1251402215), we get a palindrome (6373443736).

The spelling of 5122041521 in words is "five billion, one hundred twenty-two million, forty-one thousand, five hundred twenty-one".