75151457 has 2 divisors, whose sum is σ = 75151458. Its totient is φ = 75151456.

The previous prime is 75151411. The next prime is 75151459. The reversal of 75151457 is 75415157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 5779216 = 8329^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 75151457 - 2⁶ = 75151393 is a prime.

Together with 75151459, 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 (75151459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37575728 + 37575729.

It is an arithmetic number, because the mean of its divisors is an integer number (37575729).

Almost surely, 2^75151457 is an apocalyptic number.

It is an amenable number.

75151457 is a deficient number, since it is larger than the sum of its proper divisors (1).

75151457 is an equidigital number, since it uses as much as digits as its factorization.

75151457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24500, while the sum is 35.

The square root of 75151457 is about 8668.9940016129. The cubic root of 75151457 is about 422.0000168460. Note that the first 4 decimals are identical.

The spelling of 75151457 in words is "seventy-five million, one hundred fifty-one thousand, four hundred fifty-seven".