5102541221 has 2 divisors, whose sum is σ = 5102541222. Its totient is φ = 5102541220.

The previous prime is 5102541217. The next prime is 5102541233. The reversal of 5102541221 is 1221452015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4819830625 + 282710596 = 69425^2 + 16814^2 .

It is a cyclic number.

It is not a de Polignac number, because 5102541221 - 2² = 5102541217 is a prime.

It is a super-3 number, since 3×5102541221³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5102543221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551270610 + 2551270611.

It is an arithmetic number, because the mean of its divisors is an integer number (2551270611).

Almost surely, 2^5102541221 is an apocalyptic number.

It is an amenable number.

5102541221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5102541221 is an equidigital number, since it uses as much as digits as its factorization.

5102541221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5102541221 is about 71432.0741754011. The cubic root of 5102541221 is about 1721.5864690244.

Adding to 5102541221 its reverse (1221452015), we get a palindrome (6323993236).

The spelling of 5102541221 in words is "five billion, one hundred two million, five hundred forty-one thousand, two hundred twenty-one".