65023137 has 12 divisors (see below), whose sum is σ = 95921280. Its totient is φ = 42426168.

The previous prime is 65023129. The next prime is 65023159. The reversal of 65023137 is 73132056.

It is a happy number.

65023137 is a `hidden beast` number, since 650 + 2 + 3 + 1 + 3 + 7 = 666.

It is not a de Polignac number, because 65023137 - 2³ = 65023129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65023137.

It is not an unprimeable number, because it can be changed into a prime (65023117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76437 + ... + 77282.

It is an arithmetic number, because the mean of its divisors is an integer number (7993440).

Almost surely, 2^65023137 is an apocalyptic number.

It is an amenable number.

65023137 is a deficient number, since it is larger than the sum of its proper divisors (30898143).

65023137 is a wasteful number, since it uses less digits than its factorization.

65023137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153772 (or 153769 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 65023137 is about 8063.6925164592. The cubic root of 65023137 is about 402.1202766262.

The spelling of 65023137 in words is "sixty-five million, twenty-three thousand, one hundred thirty-seven".