1025158543 has 2 divisors, whose sum is σ = 1025158544. Its totient is φ = 1025158542.

The previous prime is 1025158529. The next prime is 1025158549. The reversal of 1025158543 is 3458515201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025158543 - 2²⁵ = 991604111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025158499 and 1025158508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025158549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512579271 + 512579272.

It is an arithmetic number, because the mean of its divisors is an integer number (512579272).

Almost surely, 2^1025158543 is an apocalyptic number.

1025158543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025158543 is an equidigital number, since it uses as much as digits as its factorization.

1025158543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1025158543 is about 32018.0971170993. The cubic root of 1025158543 is about 1008.3168197525.

The spelling of 1025158543 in words is "one billion, twenty-five million, one hundred fifty-eight thousand, five hundred forty-three".