65894253 has 16 divisors (see below), whose sum is σ = 89581440. Its totient is φ = 43075584.

The previous prime is 65894249. The next prime is 65894267. The reversal of 65894253 is 35249856.

It is not a de Polignac number, because 65894253 - 2² = 65894249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65894233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41488 + ... + 43046.

It is an arithmetic number, because the mean of its divisors is an integer number (5598840).

Almost surely, 2^65894253 is an apocalyptic number.

It is an amenable number.

65894253 is a deficient number, since it is larger than the sum of its proper divisors (23687187).

65894253 is a wasteful number, since it uses less digits than its factorization.

65894253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828.

The product of its digits is 259200, while the sum is 42.

The square root of 65894253 is about 8117.5275176620. The cubic root of 65894253 is about 403.9080538559.

The spelling of 65894253 in words is "sixty-five million, eight hundred ninety-four thousand, two hundred fifty-three".