65037825 has 36 divisors (see below), whose sum is σ = 117206908. Its totient is φ = 34473600.

The previous prime is 65037809. The next prime is 65037851. The reversal of 65037825 is 52873056.

It can be written as a sum of positive squares in 6 ways, for example, as 23357889 + 41679936 = 4833^2 + 6456^2 .

It is not a de Polignac number, because 65037825 - 2⁴ = 65037809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65037825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39927 + ... + 41523.

Almost surely, 2^65037825 is an apocalyptic number.

It is an amenable number.

65037825 is a deficient number, since it is larger than the sum of its proper divisors (52169083).

65037825 is a wasteful number, since it uses less digits than its factorization.

65037825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 65037825 is about 8064.6032140459. The cubic root of 65037825 is about 402.1505525056.

The spelling of 65037825 in words is "sixty-five million, thirty-seven thousand, eight hundred twenty-five".