3257134645 has 4 divisors (see below), whose sum is σ = 3908561580. Its totient is φ = 2605707712.

The previous prime is 3257134633. The next prime is 3257134649. The reversal of 3257134645 is 5464317523.

It is a happy number.

3257134645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1226190289 + 2030944356 = 35017^2 + 45066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3257134645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3257134598 and 3257134607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257134649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325713460 + ... + 325713469.

It is an arithmetic number, because the mean of its divisors is an integer number (977140395).

Almost surely, 2^3257134645 is an apocalyptic number.

It is an amenable number.

3257134645 is a deficient number, since it is larger than the sum of its proper divisors (651426935).

3257134645 is an equidigital number, since it uses as much as digits as its factorization.

3257134645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651426934.

The product of its digits is 302400, while the sum is 40.

The square root of 3257134645 is about 57071.3119263961. The cubic root of 3257134645 is about 1482.3311577877.

The spelling of 3257134645 in words is "three billion, two hundred fifty-seven million, one hundred thirty-four thousand, six hundred forty-five".