65065149 has 12 divisors (see below), whose sum is σ = 96169216. Its totient is φ = 42367752.

The previous prime is 65065123. The next prime is 65065151. The reversal of 65065149 is 94156056.

65065149 is a `hidden beast` number, since 6 + 506 + 5 + 149 = 666.

It is not a de Polignac number, because 65065149 - 2¹² = 65061053 is a prime.

It is a super-2 number, since 2×65065149² = 8466947228784402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65065159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83677 + ... + 84450.

Almost surely, 2^65065149 is an apocalyptic number.

It is an amenable number.

65065149 is a deficient number, since it is larger than the sum of its proper divisors (31104067).

65065149 is a wasteful number, since it uses less digits than its factorization.

65065149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168176 (or 168173 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 65065149 is about 8066.2971058597. The cubic root of 65065149 is about 402.2068624207.

The spelling of 65065149 in words is "sixty-five million, sixty-five thousand, one hundred forty-nine".