1054171543 has 2 divisors, whose sum is σ = 1054171544. Its totient is φ = 1054171542.

The previous prime is 1054171519. The next prime is 1054171553. The reversal of 1054171543 is 3451714501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054171543 is a prime.

It is a super-2 number, since 2×1054171543² = 2222555284142001698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054171553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527085771 + 527085772.

It is an arithmetic number, because the mean of its divisors is an integer number (527085772).

Almost surely, 2^1054171543 is an apocalyptic number.

1054171543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054171543 is an equidigital number, since it uses as much as digits as its factorization.

1054171543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1054171543 is about 32468.0079924839. The cubic root of 1054171543 is about 1017.7405912646.

The spelling of 1054171543 in words is "one billion, fifty-four million, one hundred seventy-one thousand, five hundred forty-three".