3125636243 has 8 divisors (see below), whose sum is σ = 3152309760. Its totient is φ = 3098995200.

The previous prime is 3125636209. The next prime is 3125636251. The reversal of 3125636243 is 3426365213.

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

It is a cyclic number.

It is not a de Polignac number, because 3125636243 - 2²⁶ = 3058527379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125636203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209843 + ... + 224243.

It is an arithmetic number, because the mean of its divisors is an integer number (394038720).

Almost surely, 2^3125636243 is an apocalyptic number.

3125636243 is a deficient number, since it is larger than the sum of its proper divisors (26673517).

3125636243 is a wasteful number, since it uses less digits than its factorization.

3125636243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16237.

The product of its digits is 77760, while the sum is 35.

The square root of 3125636243 is about 55907.3898782621. The cubic root of 3125636243 is about 1462.1080829504.

The spelling of 3125636243 in words is "three billion, one hundred twenty-five million, six hundred thirty-six thousand, two hundred forty-three".