1013455543 has 2 divisors, whose sum is σ = 1013455544. Its totient is φ = 1013455542.

The previous prime is 1013455537. The next prime is 1013455571. The reversal of 1013455543 is 3455543101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013455543 - 2⁵ = 1013455511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013455043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506727771 + 506727772.

It is an arithmetic number, because the mean of its divisors is an integer number (506727772).

Almost surely, 2^1013455543 is an apocalyptic number.

1013455543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013455543 is an equidigital number, since it uses as much as digits as its factorization.

1013455543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1013455543 is about 31834.8165221664. The cubic root of 1013455543 is about 1004.4652131951.

Adding to 1013455543 its reverse (3455543101), we get a palindrome (4468998644).

The spelling of 1013455543 in words is "one billion, thirteen million, four hundred fifty-five thousand, five hundred forty-three".