75255251 has 2 divisors, whose sum is σ = 75255252. Its totient is φ = 75255250.

The previous prime is 75255227. The next prime is 75255293. The reversal of 75255251 is 15255257.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75255251 - 2¹⁰ = 75254227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75255221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37627625 + 37627626.

It is an arithmetic number, because the mean of its divisors is an integer number (37627626).

Almost surely, 2^75255251 is an apocalyptic number.

75255251 is a deficient number, since it is larger than the sum of its proper divisors (1).

75255251 is an equidigital number, since it uses as much as digits as its factorization.

75255251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17500, while the sum is 32.

The square root of 75255251 is about 8674.9784437773. The cubic root of 75255251 is about 422.1942065617.

The spelling of 75255251 in words is "seventy-five million, two hundred fifty-five thousand, two hundred fifty-one".