5220429161 has 2 divisors, whose sum is σ = 5220429162. Its totient is φ = 5220429160.

The previous prime is 5220429157. The next prime is 5220429187. The reversal of 5220429161 is 1619240225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5200573225 + 19855936 = 72115^2 + 4456^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220429161 - 2² = 5220429157 is a prime.

It is not a weakly prime, because it can be changed into another prime (5220429131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610214580 + 2610214581.

It is an arithmetic number, because the mean of its divisors is an integer number (2610214581).

Almost surely, 2^5220429161 is an apocalyptic number.

It is an amenable number.

5220429161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220429161 is an equidigital number, since it uses as much as digits as its factorization.

5220429161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 5220429161 is about 72252.5374018103. The cubic root of 5220429161 is about 1734.7440329754.

Adding to 5220429161 its reverse (1619240225), we get a palindrome (6839669386).

The spelling of 5220429161 in words is "five billion, two hundred twenty million, four hundred twenty-nine thousand, one hundred sixty-one".