75322001 has 2 divisors, whose sum is σ = 75322002. Its totient is φ = 75322000.

The previous prime is 75321959. The next prime is 75322021. The reversal of 75322001 is 10022357.

It is an a-pointer prime, because the next prime (75322021) can be obtained adding 75322001 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67256401 + 8065600 = 8201^2 + 2840^2 .

It is an emirp because it is prime and its reverse (10022357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75322001 - 2¹⁸ = 75059857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_4412117 and since 75322001 and 4412117 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (75322021) 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, 37661000 + 37661001.

It is an arithmetic number, because the mean of its divisors is an integer number (37661001).

Almost surely, 2^75322001 is an apocalyptic number.

It is an amenable number.

75322001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75322001 is an equidigital number, since it uses as much as digits as its factorization.

75322001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 75322001 is about 8678.8248628487. The cubic root of 75322001 is about 422.3189957951.

Adding to 75322001 its reverse (10022357), we get a palindrome (85344358).

The spelling of 75322001 in words is "seventy-five million, three hundred twenty-two thousand, one".