75253165 has 12 divisors (see below), whose sum is σ = 97785684. Its totient is φ = 55570944.

The previous prime is 75253133. The next prime is 75253193. The reversal of 75253165 is 56135257.

It can be written as a sum of positive squares in 6 ways, for example, as 31203396 + 44049769 = 5586^2 + 6637^2 .

It is not a de Polignac number, because 75253165 - 2⁵ = 75253133 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 75253165.

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, 43684 + ... + 45373.

It is an arithmetic number, because the mean of its divisors is an integer number (8148807).

Almost surely, 2^75253165 is an apocalyptic number.

It is an amenable number.

75253165 is a deficient number, since it is larger than the sum of its proper divisors (22532519).

75253165 is a wasteful number, since it uses less digits than its factorization.

75253165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89088 (or 89075 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 75253165 is about 8674.8582120978. The cubic root of 75253165 is about 422.1903055924.

The spelling of 75253165 in words is "seventy-five million, two hundred fifty-three thousand, one hundred sixty-five".