5245445013 has 16 divisors (see below), whose sum is σ = 7418911680. Its totient is φ = 3285225216.

The previous prime is 5245444957. The next prime is 5245445077. The reversal of 5245445013 is 3105445425.

It is not a de Polignac number, because 5245445013 - 2²¹ = 5243347861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245445213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66118 + ... + 121911.

It is an arithmetic number, because the mean of its divisors is an integer number (463681980).

Almost surely, 2^5245445013 is an apocalyptic number.

It is an amenable number.

5245445013 is a deficient number, since it is larger than the sum of its proper divisors (2173466667).

5245445013 is a wasteful number, since it uses less digits than its factorization.

5245445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188596.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 5245445013 is about 72425.4445136514. Note that the first 3 decimals coincide. The cubic root of 5245445013 is about 1737.5105339527.

The spelling of 5245445013 in words is "five billion, two hundred forty-five million, four hundred forty-five thousand, thirteen".