65432013 has 8 divisors (see below), whose sum is σ = 87289248. Its totient is φ = 43598064.

The previous prime is 65431981. The next prime is 65432039. The reversal of 65432013 is 31023456.

It is a happy number.

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

It is not a de Polignac number, because 65432013 - 2⁵ = 65431981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65432053) 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, 2395 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (10911156).

Almost surely, 2^65432013 is an apocalyptic number.

It is an amenable number.

65432013 is a deficient number, since it is larger than the sum of its proper divisors (21857235).

65432013 is a wasteful number, since it uses less digits than its factorization.

65432013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 65432013 is about 8089.0056867331. The cubic root of 65432013 is about 402.9613818549.

Adding to 65432013 its reverse (31023456), we get a palindrome (96455469).

The spelling of 65432013 in words is "sixty-five million, four hundred thirty-two thousand, thirteen".