65065131 has 6 divisors (see below), whose sum is σ = 93982980. Its totient is φ = 43376748.

The previous prime is 65065123. The next prime is 65065151. The reversal of 65065131 is 13156056.

It is a happy number.

65065131 is a `hidden beast` number, since 6 + 5 + 0 + 651 + 3 + 1 = 666.

65065131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65065131 - 2³ = 65065123 is a prime.

It is a super-2 number, since 2×65065131² = 8466942544094322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65065095 and 65065104.

It is not an unprimeable number, because it can be changed into a prime (65065151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3614721 + ... + 3614738.

It is an arithmetic number, because the mean of its divisors is an integer number (15663830).

Almost surely, 2^65065131 is an apocalyptic number.

65065131 is a deficient number, since it is larger than the sum of its proper divisors (28917849).

65065131 is a wasteful number, since it uses less digits than its factorization.

65065131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229465 (or 7229462 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 65065131 is about 8066.2959901060. The cubic root of 65065131 is about 402.2068253311.

The spelling of 65065131 in words is "sixty-five million, sixty-five thousand, one hundred thirty-one".