65184131 has 2 divisors, whose sum is σ = 65184132. Its totient is φ = 65184130.

The previous prime is 65184127. The next prime is 65184157. The reversal of 65184131 is 13148156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65184131 - 2² = 65184127 is a prime.

It is a super-2 number, since 2×65184131² = 8497941868450322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 65184094 and 65184103.

It is not a weakly prime, because it can be changed into another prime (65184191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32592065 + 32592066.

It is an arithmetic number, because the mean of its divisors is an integer number (32592066).

Almost surely, 2^65184131 is an apocalyptic number.

65184131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65184131 is an equidigital number, since it uses as much as digits as its factorization.

65184131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 65184131 is about 8073.6689924718. The cubic root of 65184131 is about 402.4518795912.

The spelling of 65184131 in words is "sixty-five million, one hundred eighty-four thousand, one hundred thirty-one".