65132243 has 6 divisors (see below), whose sum is σ = 71591772. Its totient is φ = 59211020.

The previous prime is 65132239. The next prime is 65132269. The reversal of 65132243 is 34223156.

It is not a de Polignac number, because 65132243 - 2² = 65132239 is a prime.

It is a super-2 number, since 2×65132243² = 8484418156422098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65132233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269021 + ... + 269262.

It is an arithmetic number, because the mean of its divisors is an integer number (11931962).

Almost surely, 2^65132243 is an apocalyptic number.

65132243 is a deficient number, since it is larger than the sum of its proper divisors (6459529).

65132243 is a wasteful number, since it uses less digits than its factorization.

65132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538305 (or 538294 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 65132243 is about 8070.4549438058. The cubic root of 65132243 is about 402.3450643985.

Adding to 65132243 its reverse (34223156), we get a palindrome (99355399).

The spelling of 65132243 in words is "sixty-five million, one hundred thirty-two thousand, two hundred forty-three".