65477 has 4 divisors (see below), whose sum is σ = 67116. Its totient is φ = 63840.

The previous prime is 65449. The next prime is 65479. The reversal of 65477 is 77456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7396 + 58081 = 86^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 65477 - 2⁶ = 65413 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65477.

It is not an unprimeable number, because it can be changed into a prime (65479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (16779).

2⁶⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

65477 is a deficient number, since it is larger than the sum of its proper divisors (1639).

65477 is a wasteful number, since it uses less digits than its factorization.

65477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its digits is 5880, while the sum is 29.

The square root of 65477 is about 255.8847396778. The cubic root of 65477 is about 40.3053711129.

The spelling of 65477 in words is "sixty-five thousand, four hundred seventy-seven".