7245172001 has 2 divisors, whose sum is σ = 7245172002. Its totient is φ = 7245172000.

The previous prime is 7245171949. The next prime is 7245172019. The reversal of 7245172001 is 1002715427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4444222225 + 2800949776 = 66665^2 + 52924^2 .

It is a cyclic number.

It is not a de Polignac number, because 7245172001 - 2⁶ = 7245171937 is a prime.

It is not a weakly prime, because it can be changed into another prime (7245172301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622586000 + 3622586001.

It is an arithmetic number, because the mean of its divisors is an integer number (3622586001).

Almost surely, 2^7245172001 is an apocalyptic number.

It is an amenable number.

7245172001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245172001 is an equidigital number, since it uses as much as digits as its factorization.

7245172001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 7245172001 is about 85118.5761217844. The cubic root of 7245172001 is about 1935.0086021870.

Adding to 7245172001 its reverse (1002715427), we get a palindrome (8247887428).

The spelling of 7245172001 in words is "seven billion, two hundred forty-five million, one hundred seventy-two thousand, one".