7245172019 has 2 divisors, whose sum is σ = 7245172020. Its totient is φ = 7245172018.

The previous prime is 7245172001. The next prime is 7245172043. The reversal of 7245172019 is 9102715427.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7245172019 - 2⁸ = 7245171763 is a prime.

It is a super-2 number, since 2×7245172019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7245172049) 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, 3622586009 + 3622586010.

It is an arithmetic number, because the mean of its divisors is an integer number (3622586010).

Almost surely, 2^7245172019 is an apocalyptic number.

7245172019 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245172019 is an equidigital number, since it uses as much as digits as its factorization.

7245172019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7245172019 is about 85118.5762275192. The cubic root of 7245172019 is about 1935.0086037894.

The spelling of 7245172019 in words is "seven billion, two hundred forty-five million, one hundred seventy-two thousand, nineteen".