65400213 has 8 divisors (see below), whose sum is σ = 88099648. Its totient is φ = 43150464.

The previous prime is 65400211. The next prime is 65400217. The reversal of 65400213 is 31200456.

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 65400213 - 2¹ = 65400211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65400213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112081 + ... + 112662.

It is an arithmetic number, because the mean of its divisors is an integer number (11012456).

Almost surely, 2^65400213 is an apocalyptic number.

It is an amenable number.

65400213 is a deficient number, since it is larger than the sum of its proper divisors (22699435).

65400213 is a wasteful number, since it uses less digits than its factorization.

65400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224843.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65400213 is about 8087.0398168922. The cubic root of 65400213 is about 402.8960914472.

Adding to 65400213 its reverse (31200456), we get a palindrome (96600669).

The spelling of 65400213 in words is "sixty-five million, four hundred thousand, two hundred thirteen".