344521425 has 12 divisors (see below), whose sum is σ = 569608880. Its totient is φ = 183744720.

The previous prime is 344521417. The next prime is 344521427. The reversal of 344521425 is 524125443.

It is not a de Polignac number, because 344521425 - 2³ = 344521417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344521392 and 344521401.

It is not an unprimeable number, because it can be changed into a prime (344521427) 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, 2296735 + ... + 2296884.

Almost surely, 2^344521425 is an apocalyptic number.

It is an amenable number.

344521425 is a deficient number, since it is larger than the sum of its proper divisors (225087455).

344521425 is a wasteful number, since it uses less digits than its factorization.

344521425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593632 (or 4593627 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 344521425 is about 18561.2883442933. The cubic root of 344521425 is about 701.0334564819.

Adding to 344521425 its reverse (524125443), we get a palindrome (868646868).

The spelling of 344521425 in words is "three hundred forty-four million, five hundred twenty-one thousand, four hundred twenty-five".