5252636449 has 4 divisors (see below), whose sum is σ = 5253004080. Its totient is φ = 5252268820.

The previous prime is 5252636437. The next prime is 5252636479. The reversal of 5252636449 is 9446362525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5252636449 - 2³¹ = 3105152801 is a prime.

It is a super-3 number, since 3×5252636449³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5252636399 and 5252636408.

It is not an unprimeable number, because it can be changed into a prime (5252636479) 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, 161479 + ... + 191260.

It is an arithmetic number, because the mean of its divisors is an integer number (1313251020).

Almost surely, 2^5252636449 is an apocalyptic number.

It is an amenable number.

5252636449 is a deficient number, since it is larger than the sum of its proper divisors (367631).

5252636449 is a wasteful number, since it uses less digits than its factorization.

5252636449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367630.

The product of its digits is 1555200, while the sum is 46.

The square root of 5252636449 is about 72475.0746739871. The cubic root of 5252636449 is about 1738.3042060414.

The spelling of 5252636449 in words is "five billion, two hundred fifty-two million, six hundred thirty-six thousand, four hundred forty-nine".