65132543 has 8 divisors (see below), whose sum is σ = 76449312. Its totient is φ = 54318816.

The previous prime is 65132537. The next prime is 65132563. The reversal of 65132543 is 34523156.

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

It is a cyclic number.

It is not a de Polignac number, because 65132543 - 2²⁰ = 64083967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65132503) 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, 125480 + ... + 125997.

It is an arithmetic number, because the mean of its divisors is an integer number (9556164).

Almost surely, 2^65132543 is an apocalyptic number.

65132543 is a deficient number, since it is larger than the sum of its proper divisors (11316769).

65132543 is a wasteful number, since it uses less digits than its factorization.

65132543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251521.

The product of its digits is 10800, while the sum is 29.

The square root of 65132543 is about 8070.4735300972. The cubic root of 65132543 is about 402.3456821332.

Adding to 65132543 its reverse (34523156), we get a palindrome (99655699).

The spelling of 65132543 in words is "sixty-five million, one hundred thirty-two thousand, five hundred forty-three".