5259452645 has 16 divisors (see below), whose sum is σ = 6331011840. Its totient is φ = 4194475584.

The previous prime is 5259452633. The next prime is 5259452659. The reversal of 5259452645 is 5462549525.

It is a cyclic number.

It is not a de Polignac number, because 5259452645 - 2⁶ = 5259452581 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5259452645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259859 + ... + 3261471.

It is an arithmetic number, because the mean of its divisors is an integer number (395688240).

Almost surely, 2^5259452645 is an apocalyptic number.

It is an amenable number.

5259452645 is a deficient number, since it is larger than the sum of its proper divisors (1071559195).

5259452645 is a wasteful number, since it uses less digits than its factorization.

5259452645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its digits is 2160000, while the sum is 47.

The square root of 5259452645 is about 72522.0838434749. The cubic root of 5259452645 is about 1739.0557969029.

The spelling of 5259452645 in words is "five billion, two hundred fifty-nine million, four hundred fifty-two thousand, six hundred forty-five".