65043925 has 6 divisors (see below), whose sum is σ = 80654498. Its totient is φ = 52035120.

The previous prime is 65043919. The next prime is 65043929. The reversal of 65043925 is 52934056.

It can be written as a sum of positive squares in 3 ways, for example, as 305809 + 64738116 = 553^2 + 8046^2 .

It is not a de Polignac number, because 65043925 - 2⁵ = 65043893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65043929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1300854 + ... + 1300903.

Almost surely, 2^65043925 is an apocalyptic number.

It is an amenable number.

65043925 is a deficient number, since it is larger than the sum of its proper divisors (15610573).

65043925 is a wasteful number, since it uses less digits than its factorization.

65043925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601767 (or 2601762 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 65043925 is about 8064.9814010945. The cubic root of 65043925 is about 402.1631248903.

The spelling of 65043925 in words is "sixty-five million, forty-three thousand, nine hundred twenty-five".