8125810543 has 2 divisors, whose sum is σ = 8125810544. Its totient is φ = 8125810542.

The previous prime is 8125810531. The next prime is 8125810547. The reversal of 8125810543 is 3450185218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125810543 - 2¹³ = 8125802351 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8125810547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062905271 + 4062905272.

It is an arithmetic number, because the mean of its divisors is an integer number (4062905272).

Almost surely, 2^8125810543 is an apocalyptic number.

8125810543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125810543 is an equidigital number, since it uses as much as digits as its factorization.

8125810543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 8125810543 is about 90143.2778580855. The cubic root of 8125810543 is about 2010.4297277613.

The spelling of 8125810543 in words is "eight billion, one hundred twenty-five million, eight hundred ten thousand, five hundred forty-three".