5243252101 has 2 divisors, whose sum is σ = 5243252102. Its totient is φ = 5243252100.

The previous prime is 5243252099. The next prime is 5243252107. The reversal of 5243252101 is 1012523425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5234667201 + 8584900 = 72351^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243252101 - 2¹ = 5243252099 is a prime.

Together with 5243252099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243252107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621626050 + 2621626051.

It is an arithmetic number, because the mean of its divisors is an integer number (2621626051).

Almost surely, 2^5243252101 is an apocalyptic number.

It is an amenable number.

5243252101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243252101 is an equidigital number, since it uses as much as digits as its factorization.

5243252101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5243252101 is about 72410.3038317062. The cubic root of 5243252101 is about 1737.2683721800.

Adding to 5243252101 its reverse (1012523425), we get a palindrome (6255775526).

The spelling of 5243252101 in words is "five billion, two hundred forty-three million, two hundred fifty-two thousand, one hundred one".