5205452545 has 8 divisors (see below), whose sum is σ = 6247103400. Its totient is φ = 4163988480.

The previous prime is 5205452521. The next prime is 5205452599. The reversal of 5205452545 is 5452545025.

It can be written as a sum of positive squares in 4 ways, for example, as 836771329 + 4368681216 = 28927^2 + 66096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5205452545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24481 + ... + 104929.

It is an arithmetic number, because the mean of its divisors is an integer number (780887925).

Almost surely, 2^5205452545 is an apocalyptic number.

It is an amenable number.

5205452545 is a deficient number, since it is larger than the sum of its proper divisors (1041650855).

5205452545 is a wasteful number, since it uses less digits than its factorization.

5205452545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93395.

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 5205452545 is about 72148.8222010588. The cubic root of 5205452545 is about 1733.0835386046.

The spelling of 5205452545 in words is "five billion, two hundred five million, four hundred fifty-two thousand, five hundred forty-five".