65375525 has 12 divisors (see below), whose sum is σ = 83044164. Its totient is φ = 51024000.

The previous prime is 65375509. The next prime is 65375533. The reversal of 65375525 is 52557356.

It can be written as a sum of positive squares in 6 ways, for example, as 10719076 + 54656449 = 3274^2 + 7393^2 .

It is not a de Polignac number, because 65375525 - 2⁴ = 65375509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30866 + ... + 32915.

It is an arithmetic number, because the mean of its divisors is an integer number (6920347).

Almost surely, 2^65375525 is an apocalyptic number.

It is an amenable number.

65375525 is a deficient number, since it is larger than the sum of its proper divisors (17668639).

65375525 is a wasteful number, since it uses less digits than its factorization.

65375525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63832 (or 63827 counting only the distinct ones).

The product of its digits is 157500, while the sum is 38.

The square root of 65375525 is about 8085.5132799347. The cubic root of 65375525 is about 402.8453885004.

The spelling of 65375525 in words is "sixty-five million, three hundred seventy-five thousand, five hundred twenty-five".