52761161 has 2 divisors, whose sum is σ = 52761162. Its totient is φ = 52761160.

The previous prime is 52761151. The next prime is 52761199. The reversal of 52761161 is 16116725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 8737936 = 6635^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 52761161 - 2¹⁸ = 52499017 is a prime.

It is a super-2 number, since 2×52761161² = 5567480220135842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52761151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26380580 + 26380581.

It is an arithmetic number, because the mean of its divisors is an integer number (26380581).

Almost surely, 2^52761161 is an apocalyptic number.

It is an amenable number.

52761161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52761161 is an equidigital number, since it uses as much as digits as its factorization.

52761161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 52761161 is about 7263.6878374556. The cubic root of 52761161 is about 375.0634819936.

Adding to 52761161 its reverse (16116725), we get a palindrome (68877886).

The spelling of 52761161 in words is "fifty-two million, seven hundred sixty-one thousand, one hundred sixty-one".