65430 has 24 divisors (see below), whose sum is σ = 170352. Its totient is φ = 17424.

The previous prime is 65423. The next prime is 65437. The reversal of 65430 is 3456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65423) and next prime (65437).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (7098).

2⁶⁵⁴³⁰ is an apocalyptic number.

65430 is an abundant number, since it is smaller than the sum of its proper divisors (104922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85176).

65430 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (65429) it forms an eRAP, since the sums of their prime factors are consecutive (739 and 740).

65430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 65430 is about 255.7928849675. The cubic root of 65430 is about 40.2957249476.

Adding to 65430 its reverse (3456), we get a palindrome (68886).

The spelling of 65430 in words is "sixty-five thousand, four hundred thirty".