340534025 has 48 divisors (see below), whose sum is σ = 469813680. Its totient is φ = 243302400.

The previous prime is 340534013. The next prime is 340534043. The reversal of 340534025 is 520435043.

It can be written as a sum of positive squares in 24 ways, for example, as 332405824 + 8128201 = 18232^2 + 2851^2 .

It is not a de Polignac number, because 340534025 - 2⁴ = 340534009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340533985 and 340534003.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1764329 + ... + 1764521.

It is an arithmetic number, because the mean of its divisors is an integer number (9787785).

Almost surely, 2^340534025 is an apocalyptic number.

It is an amenable number.

340534025 is a deficient number, since it is larger than the sum of its proper divisors (129279655).

340534025 is a wasteful number, since it uses less digits than its factorization.

340534025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 340534025 is about 18453.5640189097. The cubic root of 340534025 is about 698.3184296800.

Adding to 340534025 its reverse (520435043), we get a palindrome (860969068).

The spelling of 340534025 in words is "three hundred forty million, five hundred thirty-four thousand, twenty-five".