43143425 has 12 divisors (see below), whose sum is σ = 57613500. Its totient is φ = 31859520.

The previous prime is 43143421. The next prime is 43143437. The reversal of 43143425 is 52434134.

It can be written as a sum of positive squares in 6 ways, for example, as 1256641 + 41886784 = 1121^2 + 6472^2 .

It is not a de Polignac number, because 43143425 - 2² = 43143421 is a prime.

It is a super-2 number, since 2×43143425² = 3722710241461250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43143394 and 43143403.

It is not an unprimeable number, because it can be changed into a prime (43143421) 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, 66050 + ... + 66699.

It is an arithmetic number, because the mean of its divisors is an integer number (4801125).

Almost surely, 2^43143425 is an apocalyptic number.

It is an amenable number.

43143425 is a deficient number, since it is larger than the sum of its proper divisors (14470075).

43143425 is a wasteful number, since it uses less digits than its factorization.

43143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132772 (or 132767 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 43143425 is about 6568.3654739973. The cubic root of 43143425 is about 350.7288891683.

Adding to 43143425 its reverse (52434134), we get a palindrome (95577559).

The spelling of 43143425 in words is "forty-three million, one hundred forty-three thousand, four hundred twenty-five".