3409409725 has 6 divisors (see below), whose sum is σ = 4227668090. Its totient is φ = 2727527760.

The previous prime is 3409409713. The next prime is 3409409741. The reversal of 3409409725 is 5279049043.

It can be written as a sum of positive squares in 3 ways, for example, as 1107425284 + 2301984441 = 33278^2 + 47979^2 .

It is not a de Polignac number, because 3409409725 - 2⁵ = 3409409693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68188170 + ... + 68188219.

Almost surely, 2^3409409725 is an apocalyptic number.

It is an amenable number.

3409409725 is a deficient number, since it is larger than the sum of its proper divisors (818258365).

3409409725 is a wasteful number, since it uses less digits than its factorization.

3409409725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136376399 (or 136376394 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3409409725 is about 58390.1509246208. The cubic root of 3409409725 is about 1505.0805098890.

The spelling of 3409409725 in words is "three billion, four hundred nine million, four hundred nine thousand, seven hundred twenty-five".