75412231 has 2 divisors, whose sum is σ = 75412232. Its totient is φ = 75412230.

The previous prime is 75412201. The next prime is 75412237. The reversal of 75412231 is 13221457.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13221457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75412231 - 2⁹ = 75411719 is a prime.

It is a super-2 number, since 2×75412231² = 11374009168794722, which contains 22 as substring.

It is equal to p_4417126 and since 75412231 and 4417126 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 75412196 and 75412205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75412237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37706115 + 37706116.

It is an arithmetic number, because the mean of its divisors is an integer number (37706116).

Almost surely, 2^75412231 is an apocalyptic number.

75412231 is a deficient number, since it is larger than the sum of its proper divisors (1).

75412231 is an equidigital number, since it uses as much as digits as its factorization.

75412231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 75412231 is about 8684.0215914057. The cubic root of 75412231 is about 422.4875637949.

Adding to 75412231 its reverse (13221457), we get a palindrome (88633688).

The spelling of 75412231 in words is "seventy-five million, four hundred twelve thousand, two hundred thirty-one".