75525089 has 2 divisors, whose sum is σ = 75525090. Its totient is φ = 75525088.

The previous prime is 75525049. The next prime is 75525091. The reversal of 75525089 is 98052557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73393489 + 2131600 = 8567^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 75525089 - 2⁸ = 75524833 is a prime.

Together with 75525091, 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 (75525049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37762544 + 37762545.

It is an arithmetic number, because the mean of its divisors is an integer number (37762545).

Almost surely, 2^75525089 is an apocalyptic number.

It is an amenable number.

75525089 is a deficient number, since it is larger than the sum of its proper divisors (1).

75525089 is an equidigital number, since it uses as much as digits as its factorization.

75525089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 75525089 is about 8690.5171882921. The cubic root of 75525089 is about 422.6982163416.

The spelling of 75525089 in words is "seventy-five million, five hundred twenty-five thousand, eighty-nine".