65837385 has 24 divisors (see below), whose sum is σ = 119081664. Its totient is φ = 33586080.

The previous prime is 65837371. The next prime is 65837389. The reversal of 65837385 is 58373856.

It is not a de Polignac number, because 65837385 - 2⁵ = 65837353 is a prime.

It is a super-2 number, since 2×65837385² = 8669122527276450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 65837385.

It is not an unprimeable number, because it can be changed into a prime (65837389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30771 + ... + 32840.

It is an arithmetic number, because the mean of its divisors is an integer number (4961736).

Almost surely, 2^65837385 is an apocalyptic number.

It is an amenable number.

65837385 is a deficient number, since it is larger than the sum of its proper divisors (53244279).

65837385 is a wasteful number, since it uses less digits than its factorization.

65837385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63645 (or 63642 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 65837385 is about 8114.0239708791. The cubic root of 65837385 is about 403.7918269569.

The spelling of 65837385 in words is "sixty-five million, eight hundred thirty-seven thousand, three hundred eighty-five".