65432091 has 8 divisors (see below), whose sum is σ = 90251280. Its totient is φ = 42117152.

The previous prime is 65432071. The next prime is 65432117. The reversal of 65432091 is 19023456.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65432091 is a prime.

It is a super-3 number, since 3×65432091³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (65432071) 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, 375960 + ... + 376133.

It is an arithmetic number, because the mean of its divisors is an integer number (11281410).

Almost surely, 2^65432091 is an apocalyptic number.

65432091 is a deficient number, since it is larger than the sum of its proper divisors (24819189).

65432091 is a wasteful number, since it uses less digits than its factorization.

65432091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752125.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 65432091 is about 8089.0105080906. The cubic root of 65432091 is about 402.9615419751.

The spelling of 65432091 in words is "sixty-five million, four hundred thirty-two thousand, ninety-one".