75565125 has 24 divisors (see below), whose sum is σ = 136220760. Its totient is φ = 40300800.

The previous prime is 75565117. The next prime is 75565141. The reversal of 75565125 is 52156557.

It is a happy number.

75565125 is a `hidden beast` number, since 75 + 565 + 1 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10246401 + 65318724 = 3201^2 + 8082^2 .

It is not a de Polignac number, because 75565125 - 2³ = 75565117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75565125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32460 + ... + 34709.

It is an arithmetic number, because the mean of its divisors is an integer number (5675865).

Almost surely, 2^75565125 is an apocalyptic number.

75565125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75565125 is a deficient number, since it is larger than the sum of its proper divisors (60655635).

75565125 is a wasteful number, since it uses less digits than its factorization.

75565125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67190 (or 67177 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 75565125 is about 8692.8203133390. The cubic root of 75565125 is about 422.7728942028.

The spelling of 75565125 in words is "seventy-five million, five hundred sixty-five thousand, one hundred twenty-five".