3257343505 has 8 divisors (see below), whose sum is σ = 4209490152. Its totient is φ = 2405422848.

The previous prime is 3257343503. The next prime is 3257343511. The reversal of 3257343505 is 5053437523.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 3257213184 = 361^2 + 57072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3257343505 - 2¹ = 3257343503 is a prime.

It is a super-2 number, since 2×3257343505² = 21220573419131370050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257343503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25056424 + ... + 25056553.

It is an arithmetic number, because the mean of its divisors is an integer number (526186269).

Almost surely, 2^3257343505 is an apocalyptic number.

It is an amenable number.

3257343505 is a deficient number, since it is larger than the sum of its proper divisors (952146647).

3257343505 is a wasteful number, since it uses less digits than its factorization.

3257343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50112995.

The product of its (nonzero) digits is 189000, while the sum is 37.

The square root of 3257343505 is about 57073.1417130685. The cubic root of 3257343505 is about 1482.3628413688.

The spelling of 3257343505 in words is "three billion, two hundred fifty-seven million, three hundred forty-three thousand, five hundred five".