65398213 has 8 divisors (see below), whose sum is σ = 66100320. Its totient is φ = 64699440.

The previous prime is 65398211. The next prime is 65398217. The reversal of 65398213 is 31289356.

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

It is a cyclic number.

It is not a de Polignac number, because 65398213 - 2¹ = 65398211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65398211) 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, 60643 + ... + 61711.

It is an arithmetic number, because the mean of its divisors is an integer number (8262540).

Almost surely, 2^65398213 is an apocalyptic number.

It is an amenable number.

65398213 is a deficient number, since it is larger than the sum of its proper divisors (702107).

65398213 is a wasteful number, since it uses less digits than its factorization.

65398213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its digits is 38880, while the sum is 37.

The square root of 65398213 is about 8086.9161613065. The cubic root of 65398213 is about 402.8919844250.

It can be divided in two parts, 65 and 398213, that added together give a triangular number (398278 = T₈₉₂).

The spelling of 65398213 in words is "sixty-five million, three hundred ninety-eight thousand, two hundred thirteen".