75255161 has 4 divisors (see below), whose sum is σ = 75383952. Its totient is φ = 75126372.

The previous prime is 75255127. The next prime is 75255179. The reversal of 75255161 is 16155257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75255161 - 2⁶ = 75255097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75255121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63515 + ... + 64688.

It is an arithmetic number, because the mean of its divisors is an integer number (18845988).

Almost surely, 2^75255161 is an apocalyptic number.

It is an amenable number.

75255161 is a deficient number, since it is larger than the sum of its proper divisors (128791).

75255161 is a wasteful number, since it uses less digits than its factorization.

75255161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128790.

The product of its digits is 10500, while the sum is 32.

The square root of 75255161 is about 8674.9732564429. The cubic root of 75255161 is about 422.1940382567.

The spelling of 75255161 in words is "seventy-five million, two hundred fifty-five thousand, one hundred sixty-one".