65532277 has 2 divisors, whose sum is σ = 65532278. Its totient is φ = 65532276.

The previous prime is 65532253. The next prime is 65532281. The reversal of 65532277 is 77223556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 21893041 = 6606^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 65532277 - 2⁷ = 65532149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65532377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32766138 + 32766139.

It is an arithmetic number, because the mean of its divisors is an integer number (32766139).

Almost surely, 2^65532277 is an apocalyptic number.

It is an amenable number.

65532277 is a deficient number, since it is larger than the sum of its proper divisors (1).

65532277 is an equidigital number, since it uses as much as digits as its factorization.

65532277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 65532277 is about 8095.2008622393. The cubic root of 65532277 is about 403.1671012416.

The spelling of 65532277 in words is "sixty-five million, five hundred thirty-two thousand, two hundred seventy-seven".