1013545043 has 16 divisors (see below), whose sum is σ = 1169069760. Its totient is φ = 860729856.

The previous prime is 1013545007. The next prime is 1013545061. The reversal of 1013545043 is 3405453101.

It is not a de Polignac number, because 1013545043 - 2¹⁰ = 1013544019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013545243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913373 + ... + 914481.

It is an arithmetic number, because the mean of its divisors is an integer number (73066860).

Almost surely, 2^1013545043 is an apocalyptic number.

1013545043 is a deficient number, since it is larger than the sum of its proper divisors (155524717).

1013545043 is a wasteful number, since it uses less digits than its factorization.

1013545043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1013545043 is about 31836.2221848008. Note that the first 3 decimals coincide. The cubic root of 1013545043 is about 1004.4947810076.

Adding to 1013545043 its reverse (3405453101), we get a palindrome (4418998144).

The spelling of 1013545043 in words is "one billion, thirteen million, five hundred forty-five thousand, forty-three".