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65454497 is a prime number
BaseRepresentation
bin1111100110110…
…0000110100001
311120011102200122
43321230012201
5113224020442
610254530025
71423232303
oct371540641
9146142618
1065454497
1133a46a29
1219b06915
1310739894
14899b973
155b2ddd2
hex3e6c1a1

65454497 has 2 divisors, whose sum is σ = 65454498. Its totient is φ = 65454496.

The previous prime is 65454463. The next prime is 65454509. The reversal of 65454497 is 79445456.

65454497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 30514576 = 5911^2 + 5524^2 .

It is a cyclic number.

It is not a de Polignac number, because 65454497 - 28 = 65454241 is a prime.

It is not a weakly prime, because it can be changed into another prime (65454407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32727248 + 32727249.

It is an arithmetic number, because the mean of its divisors is an integer number (32727249).

Almost surely, 265454497 is an apocalyptic number.

It is an amenable number.

65454497 is a deficient number, since it is larger than the sum of its proper divisors (1).

65454497 is an equidigital number, since it uses as much as digits as its factorization.

65454497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 65454497 is about 8090.3953549873. The cubic root of 65454497 is about 403.0075322825.

It can be divided in two parts, 6545449 and 7, that added together give a palindrome (6545456).

The spelling of 65454497 in words is "sixty-five million, four hundred fifty-four thousand, four hundred ninety-seven".