75252085 has 4 divisors (see below), whose sum is σ = 90302508. Its totient is φ = 60201664.

The previous prime is 75252077. The next prime is 75252091. The reversal of 75252085 is 58025257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58025257 = 193 ⋅300649.

It can be written as a sum of positive squares in 2 ways, for example, as 31069476 + 44182609 = 5574^2 + 6647^2 .

It is a cyclic number.

It is not a de Polignac number, because 75252085 - 2³ = 75252077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75252085.

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 3 ways as a sum of consecutive naturals, for example, 7525204 + ... + 7525213.

It is an arithmetic number, because the mean of its divisors is an integer number (22575627).

Almost surely, 2^75252085 is an apocalyptic number.

It is an amenable number.

75252085 is a deficient number, since it is larger than the sum of its proper divisors (15050423).

75252085 is a wasteful number, since it uses less digits than its factorization.

75252085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050422.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 75252085 is about 8674.7959630184. The cubic root of 75252085 is about 422.1882858869.

The spelling of 75252085 in words is "seventy-five million, two hundred fifty-two thousand, eighty-five".