340520025 has 24 divisors (see below), whose sum is σ = 563522464. Its totient is φ = 181440000.

The previous prime is 340520021. The next prime is 340520051. The reversal of 340520025 is 520025043.

It is not a de Polignac number, because 340520025 - 2² = 340520021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340519983 and 340520010.

It is not an unprimeable number, because it can be changed into a prime (340520021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150150 + ... + 152400.

Almost surely, 2^340520025 is an apocalyptic number.

It is an amenable number.

340520025 is a deficient number, since it is larger than the sum of its proper divisors (223002439).

340520025 is a wasteful number, since it uses less digits than its factorization.

340520025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 340520025 is about 18453.1846844928. The cubic root of 340520025 is about 698.3088598169.

Adding to 340520025 its reverse (520025043), we get a palindrome (860545068).

The spelling of 340520025 in words is "three hundred forty million, five hundred twenty thousand, twenty-five".