75154241 has 2 divisors, whose sum is σ = 75154242. Its totient is φ = 75154240.

The previous prime is 75154237. The next prime is 75154243. The reversal of 75154241 is 14245157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 8976016 = 8135^2 + 2996^2 .

It is an emirp because it is prime and its reverse (14245157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75154241 - 2² = 75154237 is a prime.

Together with 75154243, 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 (75154243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37577120 + 37577121.

It is an arithmetic number, because the mean of its divisors is an integer number (37577121).

Almost surely, 2^75154241 is an apocalyptic number.

It is an amenable number.

75154241 is a deficient number, since it is larger than the sum of its proper divisors (1).

75154241 is an equidigital number, since it uses as much as digits as its factorization.

75154241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 29.

The square root of 75154241 is about 8669.1545723906. The cubic root of 75154241 is about 422.0052278052.

Adding to 75154241 its reverse (14245157), we get a palindrome (89399398).

The spelling of 75154241 in words is "seventy-five million, one hundred fifty-four thousand, two hundred forty-one".