52331161 has 2 divisors, whose sum is σ = 52331162. Its totient is φ = 52331160.

The previous prime is 52331113. The next prime is 52331177. The reversal of 52331161 is 16113325.

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., 49787136 + 2544025 = 7056^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 52331161 - 2⁷ = 52331033 is a prime.

It is not a weakly prime, because it can be changed into another prime (52331261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26165580 + 26165581.

It is an arithmetic number, because the mean of its divisors is an integer number (26165581).

Almost surely, 2^52331161 is an apocalyptic number.

It is an amenable number.

52331161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52331161 is an equidigital number, since it uses as much as digits as its factorization.

52331161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 52331161 is about 7234.0279927576. The cubic root of 52331161 is about 374.0417871084.

Adding to 52331161 its reverse (16113325), we get a palindrome (68444486).

It can be divided in two parts, 523 and 31161, that added together give a square (31684 = 178²).

The spelling of 52331161 in words is "fifty-two million, three hundred thirty-one thousand, one hundred sixty-one".