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65495657 is a prime number
BaseRepresentation
bin1111100111011…
…0001001101001
311120020112011002
43321312021221
5113231330112
610255444345
71423463303
oct371661151
9146215132
1065495657
1133a74947
1219b266b5
1310752536
1489ac973
155b3b1c2
hex3e76269

65495657 has 2 divisors, whose sum is σ = 65495658. Its totient is φ = 65495656.

The previous prime is 65495627. The next prime is 65495669. The reversal of 65495657 is 75659456.

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., 61089856 + 4405801 = 7816^2 + 2099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65495657 is a prime.

It is not a weakly prime, because it can be changed into another prime (65495627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32747828 + 32747829.

It is an arithmetic number, because the mean of its divisors is an integer number (32747829).

Almost surely, 265495657 is an apocalyptic number.

It is an amenable number.

65495657 is a deficient number, since it is larger than the sum of its proper divisors (1).

65495657 is an equidigital number, since it uses as much as digits as its factorization.

65495657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 47.

The square root of 65495657 is about 8092.9387122355. The cubic root of 65495657 is about 403.0919895010.

The spelling of 65495657 in words is "sixty-five million, four hundred ninety-five thousand, six hundred fifty-seven".