65006131 has 2 divisors, whose sum is σ = 65006132. Its totient is φ = 65006130.

The previous prime is 65006129. The next prime is 65006171. The reversal of 65006131 is 13160056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65006131 - 2¹ = 65006129 is a prime.

It is a super-2 number, since 2×65006131² = 8451594135178322, which contains 22 as substring.

Together with 65006129, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65006111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32503065 + 32503066.

It is an arithmetic number, because the mean of its divisors is an integer number (32503066).

Almost surely, 2^65006131 is an apocalyptic number.

65006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65006131 is an equidigital number, since it uses as much as digits as its factorization.

65006131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 65006131 is about 8062.6379678118. The cubic root of 65006131 is about 402.0852170356.

Adding to 65006131 its reverse (13160056), we get a palindrome (78166187).

The spelling of 65006131 in words is "sixty-five million, six thousand, one hundred thirty-one".