75075001 has 2 divisors, whose sum is σ = 75075002. Its totient is φ = 75075000.

The previous prime is 75074969. The next prime is 75075019. The reversal of 75075001 is 10057057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 36000000 = 6251^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 75075001 - 2⁵ = 75074969 is a prime.

It is not a weakly prime, because it can be changed into another prime (75075031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37537500 + 37537501.

It is an arithmetic number, because the mean of its divisors is an integer number (37537501).

Almost surely, 2^75075001 is an apocalyptic number.

It is an amenable number.

75075001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75075001 is an equidigital number, since it uses as much as digits as its factorization.

75075001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 75075001 is about 8664.5831405787. The cubic root of 75075001 is about 421.8568598034.

The spelling of 75075001 in words is "seventy-five million, seventy-five thousand, one".