340415225 has 12 divisors (see below), whose sum is σ = 446945724. Its totient is φ = 256312320.

The previous prime is 340415213. The next prime is 340415227. The reversal of 340415225 is 522514043.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9320809 + 331094416 = 3053^2 + 18196^2 .

It is not a de Polignac number, because 340415225 - 2⁴ = 340415209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340415194 and 340415203.

It is not an unprimeable number, because it can be changed into a prime (340415227) 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, 400064 + ... + 400913.

It is an arithmetic number, because the mean of its divisors is an integer number (37245477).

Almost surely, 2^340415225 is an apocalyptic number.

It is an amenable number.

340415225 is a deficient number, since it is larger than the sum of its proper divisors (106530499).

340415225 is a wasteful number, since it uses less digits than its factorization.

340415225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801004 (or 800999 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 340415225 is about 18450.3448477257. The cubic root of 340415225 is about 698.2372142238.

Adding to 340415225 its reverse (522514043), we get a palindrome (862929268).

The spelling of 340415225 in words is "three hundred forty million, four hundred fifteen thousand, two hundred twenty-five".