3247985025 has 18 divisors (see below), whose sum is σ = 5817502470. Its totient is φ = 1732258560.

The previous prime is 3247985021. The next prime is 3247985033. The reversal of 3247985025 is 5205897423.

It can be written as a sum of positive squares in 3 ways, for example, as 57881664 + 3190103361 = 7608^2 + 56481^2 .

It is not a de Polignac number, because 3247985025 - 2² = 3247985021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3247985021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7217520 + ... + 7217969.

Almost surely, 2^3247985025 is an apocalyptic number.

It is an amenable number.

3247985025 is a deficient number, since it is larger than the sum of its proper divisors (2569517445).

3247985025 is a wasteful number, since it uses less digits than its factorization.

3247985025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435505 (or 14435497 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 3247985025 is about 56991.0960150794. The cubic root of 3247985025 is about 1480.9418501220.

The spelling of 3247985025 in words is "three billion, two hundred forty-seven million, nine hundred eighty-five thousand, twenty-five".