3556543425 has 12 divisors (see below), whose sum is σ = 5880151920. Its totient is φ = 1896823120.

The previous prime is 3556543421. The next prime is 3556543453. The reversal of 3556543425 is 5243456553.

It is a happy number.

It is not a de Polignac number, because 3556543425 - 2² = 3556543421 is a prime.

It is a super-2 number, since 2×3556543425² = 25298002267821461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3556543421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23710215 + ... + 23710364.

It is an arithmetic number, because the mean of its divisors is an integer number (490012660).

Almost surely, 2^3556543425 is an apocalyptic number.

It is an amenable number.

3556543425 is a deficient number, since it is larger than the sum of its proper divisors (2323608495).

3556543425 is a wasteful number, since it uses less digits than its factorization.

3556543425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47420592 (or 47420587 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 42.

The square root of 3556543425 is about 59636.7623618184. The cubic root of 3556543425 is about 1526.4269971765.

Adding to 3556543425 its reverse (5243456553), we get a palindrome (8799999978).

The spelling of 3556543425 in words is "three billion, five hundred fifty-six million, five hundred forty-three thousand, four hundred twenty-five".