5251252543 has 2 divisors, whose sum is σ = 5251252544. Its totient is φ = 5251252542.

The previous prime is 5251252541. The next prime is 5251252609. The reversal of 5251252543 is 3452521525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5251252543 - 2¹ = 5251252541 is a prime.

Together with 5251252541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5251252499 and 5251252508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251252541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625626271 + 2625626272.

It is an arithmetic number, because the mean of its divisors is an integer number (2625626272).

Almost surely, 2^5251252543 is an apocalyptic number.

5251252543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251252543 is an equidigital number, since it uses as much as digits as its factorization.

5251252543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60000, while the sum is 34.

The square root of 5251252543 is about 72465.5265833348. The cubic root of 5251252543 is about 1738.1515296381.

The spelling of 5251252543 in words is "five billion, two hundred fifty-one million, two hundred fifty-two thousand, five hundred forty-three".