5252636479 has 2 divisors, whose sum is σ = 5252636480. Its totient is φ = 5252636478.

The previous prime is 5252636437. The next prime is 5252636533. The reversal of 5252636479 is 9746362525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252636479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5252636579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626318239 + 2626318240.

It is an arithmetic number, because the mean of its divisors is an integer number (2626318240).

Almost surely, 2^5252636479 is an apocalyptic number.

5252636479 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252636479 is an equidigital number, since it uses as much as digits as its factorization.

5252636479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 49.

The square root of 5252636479 is about 72475.0748809548. The cubic root of 5252636479 is about 1738.3042093508.

The spelling of 5252636479 in words is "five billion, two hundred fifty-two million, six hundred thirty-six thousand, four hundred seventy-nine".