3247429825 has 6 divisors (see below), whose sum is σ = 4026813014. Its totient is φ = 2597943840.

The previous prime is 3247429813. The next prime is 3247429841. The reversal of 3247429825 is 5289247423.

It can be written as a sum of positive squares in 3 ways, for example, as 346853376 + 2900576449 = 18624^2 + 53857^2 .

It is not a de Polignac number, because 3247429825 - 2⁵ = 3247429793 is a prime.

It is a Duffinian 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, 64948572 + ... + 64948621.

Almost surely, 2^3247429825 is an apocalyptic number.

It is an amenable number.

3247429825 is a deficient number, since it is larger than the sum of its proper divisors (779383189).

3247429825 is a wasteful number, since it uses less digits than its factorization.

3247429825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129897203 (or 129897198 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 3247429825 is about 56986.2248705773. The cubic root of 3247429825 is about 1480.8574628519.

The spelling of 3247429825 in words is "three billion, two hundred forty-seven million, four hundred twenty-nine thousand, eight hundred twenty-five".