52152161 has 2 divisors, whose sum is σ = 52152162. Its totient is φ = 52152160.

The previous prime is 52152151. The next prime is 52152167. The reversal of 52152161 is 16125125.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29637136 + 22515025 = 5444^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 52152161 - 2¹⁰ = 52151137 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 (52152167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26076080 + 26076081.

It is an arithmetic number, because the mean of its divisors is an integer number (26076081).

Almost surely, 2^52152161 is an apocalyptic number.

It is an amenable number.

52152161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52152161 is an equidigital number, since it uses as much as digits as its factorization.

52152161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 52152161 is about 7221.6453111462. The cubic root of 52152161 is about 373.6148269399.

Adding to 52152161 its reverse (16125125), we get a palindrome (68277286).

The spelling of 52152161 in words is "fifty-two million, one hundred fifty-two thousand, one hundred sixty-one".