65652131 has 2 divisors, whose sum is σ = 65652132. Its totient is φ = 65652130.

The previous prime is 65652127. The next prime is 65652133. The reversal of 65652131 is 13125656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65652131 - 2² = 65652127 is a prime.

It is a super-2 number, since 2×65652131² = 8620404609682322, which contains 22 as substring.

Together with 65652133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65652094 and 65652103.

It is not a weakly prime, because it can be changed into another prime (65652133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32826065 + 32826066.

It is an arithmetic number, because the mean of its divisors is an integer number (32826066).

Almost surely, 2^65652131 is an apocalyptic number.

65652131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65652131 is an equidigital number, since it uses as much as digits as its factorization.

65652131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 65652131 is about 8102.6002616444. The cubic root of 65652131 is about 403.4127397938.

Adding to 65652131 its reverse (13125656), we get a palindrome (78777787).

The spelling of 65652131 in words is "sixty-five million, six hundred fifty-two thousand, one hundred thirty-one".