7245544247 has 16 divisors (see below), whose sum is σ = 7496443680. Its totient is φ = 6998648832.

The previous prime is 7245544169. The next prime is 7245544283. The reversal of 7245544247 is 7424455427.

It is a cyclic number.

It is not a de Polignac number, because 7245544247 - 2¹² = 7245540151 is a prime.

It is a super-2 number, since 2×7245544247² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7245544198 and 7245544207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7245544297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153203 + ... + 3155499.

It is an arithmetic number, because the mean of its divisors is an integer number (468527730).

Almost surely, 2^7245544247 is an apocalyptic number.

7245544247 is a deficient number, since it is larger than the sum of its proper divisors (250899433).

7245544247 is a wasteful number, since it uses less digits than its factorization.

7245544247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122.

The product of its digits is 1254400, while the sum is 44.

The square root of 7245544247 is about 85120.7627256711. The cubic root of 7245544247 is about 1935.0417408931.

The spelling of 7245544247 in words is "seven billion, two hundred forty-five million, five hundred forty-four thousand, two hundred forty-seven".