65349481 has 8 divisors (see below), whose sum is σ = 66173184. Its totient is φ = 64530960.

The previous prime is 65349467. The next prime is 65349503. The reversal of 65349481 is 18494356.

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 65349481 - 2¹¹ = 65347433 is a prime.

It is a super-2 number, since 2×65349481² = 8541109333938722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65349421) 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, 28095 + ... + 30331.

It is an arithmetic number, because the mean of its divisors is an integer number (8271648).

Almost surely, 2^65349481 is an apocalyptic number.

It is an amenable number.

65349481 is a deficient number, since it is larger than the sum of its proper divisors (823703).

65349481 is a wasteful number, since it uses less digits than its factorization.

65349481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its digits is 103680, while the sum is 40.

The square root of 65349481 is about 8083.9025847668. The cubic root of 65349481 is about 402.7918868328.

The spelling of 65349481 in words is "sixty-five million, three hundred forty-nine thousand, four hundred eighty-one".