4340425 has 6 divisors (see below), whose sum is σ = 5382158. Its totient is φ = 3472320.

The previous prime is 4340419. The next prime is 4340429. The reversal of 4340425 is 5240434.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 356409 + 3984016 = 597^2 + 1996^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4340425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340396 and 4340405.

It is not an unprimeable number, because it can be changed into a prime (4340429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86784 + ... + 86833.

Almost surely, 2^4340425 is an apocalyptic number.

It is an amenable number.

4340425 is a deficient number, since it is larger than the sum of its proper divisors (1041733).

4340425 is a wasteful number, since it uses less digits than its factorization.

4340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173627 (or 173622 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4340425 is about 2083.3686663670. The cubic root of 4340425 is about 163.1213293655.

Adding to 4340425 its reverse (5240434), we get a palindrome (9580859).

Subtracting 4340425 from its reverse (5240434), we obtain a palindrome (900009).

The spelling of 4340425 in words is "four million, three hundred forty thousand, four hundred twenty-five".