7491075001 has 2 divisors, whose sum is σ = 7491075002. Its totient is φ = 7491075000.

The previous prime is 7491074947. The next prime is 7491075043. The reversal of 7491075001 is 1005701947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7439235001 + 51840000 = 86251^2 + 7200^2 .

It is a cyclic number.

It is not a de Polignac number, because 7491075001 - 2⁷ = 7491074873 is a prime.

It is a super-2 number, since 2×7491075001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7491075301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745537500 + 3745537501.

It is an arithmetic number, because the mean of its divisors is an integer number (3745537501).

Almost surely, 2^7491075001 is an apocalyptic number.

It is an amenable number.

7491075001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7491075001 is an equidigital number, since it uses as much as digits as its factorization.

7491075001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 7491075001 is about 86550.9965338355. The cubic root of 7491075001 is about 1956.6570637276.

Adding to 7491075001 its reverse (1005701947), we get a palindrome (8496776948).

The spelling of 7491075001 in words is "seven billion, four hundred ninety-one million, seventy-five thousand, one".