1543130897 has 16 divisors (see below), whose sum is σ = 1934668800. Its totient is φ = 1195711440.

The previous prime is 1543130891. The next prime is 1543130909. The reversal of 1543130897 is 7980313451.

It is not a de Polignac number, because 1543130897 - 2²⁸ = 1274695441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1543130891) 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, 42197 + ... + 69762.

It is an arithmetic number, because the mean of its divisors is an integer number (120916800).

Almost surely, 2^1543130897 is an apocalyptic number.

It is an amenable number.

1543130897 is a deficient number, since it is larger than the sum of its proper divisors (391537903).

1543130897 is a wasteful number, since it uses less digits than its factorization.

1543130897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112156.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1543130897 is about 39282.7048075868. The cubic root of 1543130897 is about 1155.5824094930.

The spelling of 1543130897 in words is "one billion, five hundred forty-three million, one hundred thirty thousand, eight hundred ninety-seven".