75545325 has 24 divisors (see below), whose sum is σ = 138780800. Its totient is φ = 40290480.

The previous prime is 75545293. The next prime is 75545341. The reversal of 75545325 is 52354557.

75545325 is a `hidden beast` number, since 75 + 54 + 532 + 5 = 666.

It is not a de Polignac number, because 75545325 - 2⁵ = 75545293 is a prime.

It is a super-2 number, since 2×75545325² = 11414192258711250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75545325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55285 + ... + 56634.

Almost surely, 2^75545325 is an apocalyptic number.

75545325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75545325 is a deficient number, since it is larger than the sum of its proper divisors (63235475).

75545325 is a wasteful number, since it uses less digits than its factorization.

75545325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111938 (or 111927 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 75545325 is about 8691.6813678367. The cubic root of 75545325 is about 422.7359651982.

The spelling of 75545325 in words is "seventy-five million, five hundred forty-five thousand, three hundred twenty-five".