65430312 has 16 divisors (see below), whose sum is σ = 163575840. Its totient is φ = 21810096.

The previous prime is 65430307. The next prime is 65430317. The reversal of 65430312 is 21303456.

It is a happy number.

65430312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65430307) and next prime (65430317).

It is a super-2 number, since 2×65430312² = 8562251456834688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2726263 = 65430312 / (6 + 5 + 4 + 3 + 0 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (65430317) 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 in 3 ways as a sum of consecutive naturals, for example, 1363108 + ... + 1363155.

It is an arithmetic number, because the mean of its divisors is an integer number (10223490).

Almost surely, 2^65430312 is an apocalyptic number.

It is an amenable number.

65430312 is an abundant number, since it is smaller than the sum of its proper divisors (98145528).

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

65430312 is a wasteful number, since it uses less digits than its factorization.

65430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726272 (or 2726268 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 65430312 is about 8088.9005433371. The cubic root of 65430312 is about 402.9578899696.

Adding to 65430312 its reverse (21303456), we get a palindrome (86733768).

The spelling of 65430312 in words is "sixty-five million, four hundred thirty thousand, three hundred twelve".