343503425 has 12 divisors (see below), whose sum is σ = 426389376. Its totient is φ = 274515600.

The previous prime is 343503403. The next prime is 343503427. The reversal of 343503425 is 524305343.

It is not a de Polignac number, because 343503425 - 2⁶ = 343503361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343503427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19112 + ... + 32438.

It is an arithmetic number, because the mean of its divisors is an integer number (35532448).

Almost surely, 2^343503425 is an apocalyptic number.

It is an amenable number.

343503425 is a deficient number, since it is larger than the sum of its proper divisors (82885951).

343503425 is a wasteful number, since it uses less digits than its factorization.

343503425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14368 (or 14363 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 343503425 is about 18533.8453916072. The cubic root of 343503425 is about 700.3422985758.

Adding to 343503425 its reverse (524305343), we get a palindrome (867808768).

The spelling of 343503425 in words is "three hundred forty-three million, five hundred three thousand, four hundred twenty-five".