65149125 has 32 divisors (see below), whose sum is σ = 110068608. Its totient is φ = 34214400.

The previous prime is 65149121. The next prime is 65149127. The reversal of 65149125 is 52194156.

It is not a de Polignac number, because 65149125 - 2² = 65149121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65149121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23829 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (3439644).

Almost surely, 2^65149125 is an apocalyptic number.

It is an amenable number.

65149125 is a deficient number, since it is larger than the sum of its proper divisors (44919483).

65149125 is a wasteful number, since it uses less digits than its factorization.

65149125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2668 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 65149125 is about 8071.5007898160. The cubic root of 65149125 is about 402.3798234379.

The spelling of 65149125 in words is "sixty-five million, one hundred forty-nine thousand, one hundred twenty-five".