65317532 has 24 divisors (see below), whose sum is σ = 131112576. Its totient is φ = 27890928.

The previous prime is 65317531. The next prime is 65317547. The reversal of 65317532 is 23571356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65317531) 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, 3803 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (5463024).

Almost surely, 2^65317532 is an apocalyptic number.

It is an amenable number.

65317532 is an abundant number, since it is smaller than the sum of its proper divisors (65795044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65317532 is a wasteful number, since it uses less digits than its factorization.

65317532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537 (or 8535 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 65317532 is about 8081.9262555408. The cubic root of 65317532 is about 402.7262352238.

Adding to 65317532 its reverse (23571356), we get a palindrome (88888888).

The spelling of 65317532 in words is "sixty-five million, three hundred seventeen thousand, five hundred thirty-two".