5152656545 has 4 divisors (see below), whose sum is σ = 6183187860. Its totient is φ = 4122125232.

The previous prime is 5152656541. The next prime is 5152656547. The reversal of 5152656545 is 5456562515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 784504081 + 4368152464 = 28009^2 + 66092^2 .

It is a cyclic number.

It is not a de Polignac number, because 5152656545 - 2² = 5152656541 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5152656496 and 5152656505.

It is not an unprimeable number, because it can be changed into a prime (5152656541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515265650 + ... + 515265659.

It is an arithmetic number, because the mean of its divisors is an integer number (1545796965).

Almost surely, 2^5152656545 is an apocalyptic number.

It is an amenable number.

5152656545 is a deficient number, since it is larger than the sum of its proper divisors (1030531315).

5152656545 is a wasteful number, since it uses less digits than its factorization.

5152656545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030531314.

The product of its digits is 900000, while the sum is 44.

The square root of 5152656545 is about 71782.0071118104. The cubic root of 5152656545 is about 1727.2043842173.

The spelling of 5152656545 in words is "five billion, one hundred fifty-two million, six hundred fifty-six thousand, five hundred forty-five".