5205321101 has 2 divisors, whose sum is σ = 5205321102. Its totient is φ = 5205321100.

The previous prime is 5205321083. The next prime is 5205321119. The reversal of 5205321101 is 1011235025.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (5205321083) and next prime (5205321119).

It can be written as a sum of positive squares in only one way, i.e., 4729863076 + 475458025 = 68774^2 + 21805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205321101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205321131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602660550 + 2602660551.

It is an arithmetic number, because the mean of its divisors is an integer number (2602660551).

Almost surely, 2^5205321101 is an apocalyptic number.

It is an amenable number.

5205321101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205321101 is an equidigital number, since it uses as much as digits as its factorization.

5205321101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 5205321101 is about 72147.9112726072. The cubic root of 5205321101 is about 1733.0689509937.

Adding to 5205321101 its reverse (1011235025), we get a palindrome (6216556126).

The spelling of 5205321101 in words is "five billion, two hundred five million, three hundred twenty-one thousand, one hundred one".