1543112425 has 24 divisors (see below), whose sum is σ = 1956403800. Its totient is φ = 1207027200.

The previous prime is 1543112407. The next prime is 1543112447. The reversal of 1543112425 is 5242113451.

It can be written as a sum of positive squares in 12 ways, for example, as 608954329 + 934158096 = 24677^2 + 30564^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1543112425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1543112393 and 1543112402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260901 + ... + 266749.

It is an arithmetic number, because the mean of its divisors is an integer number (81516825).

Almost surely, 2^1543112425 is an apocalyptic number.

It is an amenable number.

1543112425 is a deficient number, since it is larger than the sum of its proper divisors (413291375).

1543112425 is a wasteful number, since it uses less digits than its factorization.

1543112425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6088 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1543112425 is about 39282.4696906903. The cubic root of 1543112425 is about 1155.5777985203.

Adding to 1543112425 its reverse (5242113451), we get a palindrome (6785225876).

The spelling of 1543112425 in words is "one billion, five hundred forty-three million, one hundred twelve thousand, four hundred twenty-five".