1025254543 has 2 divisors, whose sum is σ = 1025254544. Its totient is φ = 1025254542.

The previous prime is 1025254523. The next prime is 1025254577. The reversal of 1025254543 is 3454525201.

1025254543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3454525201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025254543 - 2²⁵ = 991700111 is a prime.

It is a super-3 number, since 3×1025254543³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025254523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512627271 + 512627272.

It is an arithmetic number, because the mean of its divisors is an integer number (512627272).

Almost surely, 2^1025254543 is an apocalyptic number.

1025254543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025254543 is an equidigital number, since it uses as much as digits as its factorization.

1025254543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1025254543 is about 32019.5962341813. The cubic root of 1025254543 is about 1008.3482930610.

Adding to 1025254543 its reverse (3454525201), we get a palindrome (4479779744).

The spelling of 1025254543 in words is "one billion, twenty-five million, two hundred fifty-four thousand, five hundred forty-three".