52277161 has 2 divisors, whose sum is σ = 52277162. Its totient is φ = 52277160.

The previous prime is 52277143. The next prime is 52277171. The reversal of 52277161 is 16177225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40717161 + 11560000 = 6381^2 + 3400^2 .

It is a cyclic number.

It is not a de Polignac number, because 52277161 - 2⁷ = 52277033 is a prime.

It is not a weakly prime, because it can be changed into another prime (52277171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26138580 + 26138581.

It is an arithmetic number, because the mean of its divisors is an integer number (26138581).

Almost surely, 2^52277161 is an apocalyptic number.

It is an amenable number.

52277161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52277161 is an equidigital number, since it uses as much as digits as its factorization.

52277161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 52277161 is about 7230.2946689606. The cubic root of 52277161 is about 373.9130861741.

The spelling of 52277161 in words is "fifty-two million, two hundred seventy-seven thousand, one hundred sixty-one".