65908525 has 12 divisors (see below), whose sum is σ = 83721204. Its totient is φ = 51440000.

The previous prime is 65908489. The next prime is 65908529. The reversal of 65908525 is 52580956.

It can be written as a sum of positive squares in 6 ways, for example, as 15256836 + 50651689 = 3906^2 + 7117^2 .

It is not a de Polignac number, because 65908525 - 2¹³ = 65900333 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 (65908529) 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, 31126 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (6976767).

Almost surely, 2^65908525 is an apocalyptic number.

It is an amenable number.

65908525 is a deficient number, since it is larger than the sum of its proper divisors (17812679).

65908525 is a wasteful number, since it uses less digits than its factorization.

65908525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64352 (or 64347 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 65908525 is about 8118.4065554763. The cubic root of 65908525 is about 403.9372124919.

The spelling of 65908525 in words is "sixty-five million, nine hundred eight thousand, five hundred twenty-five".