5251552543 has 2 divisors, whose sum is σ = 5251552544. Its totient is φ = 5251552542.

The previous prime is 5251552463. The next prime is 5251552573. The reversal of 5251552543 is 3452551525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5251552543 - 2²¹ = 5249455391 is a prime.

It is a super-2 number, since 2×5251552543² = 55157608223779533698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251552573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625776271 + 2625776272.

It is an arithmetic number, because the mean of its divisors is an integer number (2625776272).

Almost surely, 2^5251552543 is an apocalyptic number.

5251552543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251552543 is an equidigital number, since it uses as much as digits as its factorization.

5251552543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150000, while the sum is 37.

The square root of 5251552543 is about 72467.5965035408. The cubic root of 5251552543 is about 1738.1846287591.

The spelling of 5251552543 in words is "five billion, two hundred fifty-one million, five hundred fifty-two thousand, five hundred forty-three".