75225211 has 2 divisors, whose sum is σ = 75225212. Its totient is φ = 75225210.

The previous prime is 75225197. The next prime is 75225223. The reversal of 75225211 is 11252257.

It is a strong prime.

It is an emirp because it is prime and its reverse (11252257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75225211 - 2⁷ = 75225083 is a prime.

It is not a weakly prime, because it can be changed into another prime (75225511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37612605 + 37612606.

It is an arithmetic number, because the mean of its divisors is an integer number (37612606).

Almost surely, 2^75225211 is an apocalyptic number.

75225211 is a deficient number, since it is larger than the sum of its proper divisors (1).

75225211 is an equidigital number, since it uses as much as digits as its factorization.

75225211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 25.

The square root of 75225211 is about 8673.2468545522. The cubic root of 75225211 is about 422.1380226555.

Adding to 75225211 its reverse (11252257), we get a palindrome (86477468).

The spelling of 75225211 in words is "seventy-five million, two hundred twenty-five thousand, two hundred eleven".