3257685545 has 48 divisors (see below), whose sum is σ = 4180190976. Its totient is φ = 2435596800.

The previous prime is 3257685493. The next prime is 3257685551. The reversal of 3257685545 is 5455867523.

It is not a de Polignac number, because 3257685545 - 2⁶ = 3257685481 is a prime.

It is a super-2 number, since 2×3257685545² = 21225030220203894050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3257685493 and 3257685502.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 31627964 + ... + 31628066.

It is an arithmetic number, because the mean of its divisors is an integer number (87087312).

Almost surely, 2^3257685545 is an apocalyptic number.

It is an amenable number.

3257685545 is a deficient number, since it is larger than the sum of its proper divisors (922505431).

3257685545 is a wasteful number, since it uses less digits than its factorization.

3257685545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 273 counting only the distinct ones).

The product of its digits is 5040000, while the sum is 50.

The square root of 3257685545 is about 57076.1381402071. The cubic root of 3257685545 is about 1482.4147251241.

The spelling of 3257685545 in words is "three billion, two hundred fifty-seven million, six hundred eighty-five thousand, five hundred forty-five".