65370213 has 8 divisors (see below), whose sum is σ = 96844800. Its totient is φ = 43580124.

The previous prime is 65370187. The next prime is 65370251. The reversal of 65370213 is 31207356.

It is a happy number.

65370213 is a `hidden beast` number, since 653 + 7 + 0 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 65370213 - 2⁵ = 65370181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2421119 = 65370213 / (6 + 5 + 3 + 7 + 0 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65371213) 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, 1210533 + ... + 1210586.

It is an arithmetic number, because the mean of its divisors is an integer number (12105600).

Almost surely, 2^65370213 is an apocalyptic number.

It is an amenable number.

65370213 is a deficient number, since it is larger than the sum of its proper divisors (31474587).

65370213 is a wasteful number, since it uses less digits than its factorization.

65370213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421128 (or 2421122 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 65370213 is about 8085.1847845303. The cubic root of 65370213 is about 402.8344773189.

Adding to 65370213 its reverse (31207356), we get a palindrome (96577569).

The spelling of 65370213 in words is "sixty-five million, three hundred seventy thousand, two hundred thirteen".