65427 has 8 divisors (see below), whose sum is σ = 88464. Its totient is φ = 43008.

The previous prime is 65423. The next prime is 65437. The reversal of 65427 is 72456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65427 - 2² = 65423 is a prime.

65427 is a lucky number.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 65397 and 65406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65427.

It is not an unprimeable number, because it can be changed into a prime (65423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 435.

It is an arithmetic number, because the mean of its divisors is an integer number (11058).

2⁶⁵⁴²⁷ is an apocalyptic number.

65427 is a deficient number, since it is larger than the sum of its proper divisors (23037).

65427 is a wasteful number, since it uses less digits than its factorization.

65427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 1680, while the sum is 24.

The square root of 65427 is about 255.7870207810. The cubic root of 65427 is about 40.2951090781.

The spelling of 65427 in words is "sixty-five thousand, four hundred twenty-seven".