75255253 has 4 divisors (see below), whose sum is σ = 75379840. Its totient is φ = 75130668.

The previous prime is 75255251. The next prime is 75255293. The reversal of 75255253 is 35255257.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35255257 = 1033 ⋅34129.

It is a cyclic number.

It is not a de Polignac number, because 75255253 - 2¹ = 75255251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75255251) 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, 61383 + ... + 62596.

It is an arithmetic number, because the mean of its divisors is an integer number (18844960).

Almost surely, 2^75255253 is an apocalyptic number.

It is an amenable number.

75255253 is a deficient number, since it is larger than the sum of its proper divisors (124587).

75255253 is a wasteful number, since it uses less digits than its factorization.

75255253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124586.

The product of its digits is 52500, while the sum is 34.

The square root of 75255253 is about 8674.9785590513. The cubic root of 75255253 is about 422.1942103018.

The spelling of 75255253 in words is "seventy-five million, two hundred fifty-five thousand, two hundred fifty-three".