65332441531 has 8 divisors (see below), whose sum is σ = 76683638240. Its totient is φ = 54485742528.

The previous prime is 65332441513. The next prime is 65332441567. The reversal of 65332441531 is 13514423356.

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

It is not a de Polignac number, because 65332441531 - 2¹⁵ = 65332408763 is a prime.

It is a super-2 number, since 2×65332441531² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65332441511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126124146 + ... + 126124663.

It is an arithmetic number, because the mean of its divisors is an integer number (9585454780).

Almost surely, 2^65332441531 is an apocalyptic number.

65332441531 is a deficient number, since it is larger than the sum of its proper divisors (11351196709).

65332441531 is a wasteful number, since it uses less digits than its factorization.

65332441531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252248853.

The product of its digits is 129600, while the sum is 37.

Adding to 65332441531 its reverse (13514423356), we get a palindrome (78846864887).

The spelling of 65332441531 in words is "sixty-five billion, three hundred thirty-two million, four hundred forty-one thousand, five hundred thirty-one".