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65479 is a prime number
BaseRepresentation
bin1111111111000111
310022211011
433333013
54043404
61223051
7361621
oct177707
9108734
1065479
1145217
1231a87
1323a5b
1419c11
1514604
hexffc7

65479 has 2 divisors, whose sum is σ = 65480. Its totient is φ = 65478.

The previous prime is 65449. The next prime is 65497. The reversal of 65479 is 97456.

65479 is nontrivially palindromic in base 5.

Together with next prime (65497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65479 - 25 = 65447 is a prime.

65479 is a lucky number.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65419) 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, 32739 + 32740.

It is an arithmetic number, because the mean of its divisors is an integer number (32740).

265479 is an apocalyptic number.

65479 is a deficient number, since it is larger than the sum of its proper divisors (1).

65479 is an equidigital number, since it uses as much as digits as its factorization.

65479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 65479 is about 255.8886476575. Note that the first 3 decimals coincide. The cubic root of 65479 is about 40.3057814856.

It can be divided in two parts, 6547 and 9, that added together give a palindrome (6556).

The spelling of 65479 in words is "sixty-five thousand, four hundred seventy-nine".