75228541 has 2 divisors, whose sum is σ = 75228542. Its totient is φ = 75228540.

The previous prime is 75228539. The next prime is 75228557. The reversal of 75228541 is 14582257.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 24462916 = 7125^2 + 4946^2 .

It is an emirp because it is prime and its reverse (14582257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75228541 - 2¹ = 75228539 is a prime.

Together with 75228539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 75228497 and 75228506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75228841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37614270 + 37614271.

It is an arithmetic number, because the mean of its divisors is an integer number (37614271).

Almost surely, 2^75228541 is an apocalyptic number.

It is an amenable number.

75228541 is a deficient number, since it is larger than the sum of its proper divisors (1).

75228541 is an equidigital number, since it uses as much as digits as its factorization.

75228541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 75228541 is about 8673.4388220590. The cubic root of 75228541 is about 422.1442515020.

The spelling of 75228541 in words is "seventy-five million, two hundred twenty-eight thousand, five hundred forty-one".