75852251 has 2 divisors, whose sum is σ = 75852252. Its totient is φ = 75852250.

The previous prime is 75852239. The next prime is 75852253. The reversal of 75852251 is 15225857.

It is a strong prime.

It is an emirp because it is prime and its reverse (15225857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75852251 - 2²² = 71657947 is a prime.

It is a Sophie Germain prime.

Together with 75852253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75852253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37926125 + 37926126.

It is an arithmetic number, because the mean of its divisors is an integer number (37926126).

Almost surely, 2^75852251 is an apocalyptic number.

75852251 is a deficient number, since it is larger than the sum of its proper divisors (1).

75852251 is an equidigital number, since it uses as much as digits as its factorization.

75852251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28000, while the sum is 35.

The square root of 75852251 is about 8709.3197782605. The cubic root of 75852251 is about 423.3076896998.

The spelling of 75852251 in words is "seventy-five million, eight hundred fifty-two thousand, two hundred fifty-one".