65497232 has 20 divisors (see below), whose sum is σ = 127452780. Its totient is φ = 32606208.

The previous prime is 65497219. The next prime is 65497253. The reversal of 65497232 is 23279456.

65497232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 59660176 = 2416^2 + 7724^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (6372639).

Almost surely, 2^65497232 is an apocalyptic number.

It is an amenable number.

65497232 is a deficient number, since it is larger than the sum of its proper divisors (61955548).

65497232 is a wasteful number, since it uses less digits than its factorization.

65497232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810 (or 17804 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 65497232 is about 8093.0360187015. The cubic root of 65497232 is about 403.0952205793.

The spelling of 65497232 in words is "sixty-five million, four hundred ninety-seven thousand, two hundred thirty-two".