5252636447 has 4 divisors (see below), whose sum is σ = 5257692960. Its totient is φ = 5247579936.

The previous prime is 5252636437. The next prime is 5252636479. The reversal of 5252636447 is 7446362525.

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

It is a cyclic number.

It is not a de Polignac number, because 5252636447 - 2⁶ = 5252636383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5252636398 and 5252636407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252636407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526698 + ... + 2528775.

It is an arithmetic number, because the mean of its divisors is an integer number (1314423240).

Almost surely, 2^5252636447 is an apocalyptic number.

5252636447 is a deficient number, since it is larger than the sum of its proper divisors (5056513).

5252636447 is a wasteful number, since it uses less digits than its factorization.

5252636447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056512.

The product of its digits is 1209600, while the sum is 44.

The square root of 5252636447 is about 72475.0746601892. The cubic root of 5252636447 is about 1738.3042058208.

The spelling of 5252636447 in words is "five billion, two hundred fifty-two million, six hundred thirty-six thousand, four hundred forty-seven".