3285712513 has 4 divisors (see below), whose sum is σ = 3285845680. Its totient is φ = 3285579348.

The previous prime is 3285712457. The next prime is 3285712523. The reversal of 3285712513 is 3152175823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3152175823 = 431 ⋅7313633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3285712513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3285712523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17523 + ... + 82936.

It is an arithmetic number, because the mean of its divisors is an integer number (821461420).

Almost surely, 2^3285712513 is an apocalyptic number.

It is an amenable number.

3285712513 is a deficient number, since it is larger than the sum of its proper divisors (133167).

3285712513 is a wasteful number, since it uses less digits than its factorization.

3285712513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133166.

The product of its digits is 50400, while the sum is 37.

The square root of 3285712513 is about 57321.1349591056. The cubic root of 3285712513 is about 1486.6538294844.

The spelling of 3285712513 in words is "three billion, two hundred eighty-five million, seven hundred twelve thousand, five hundred thirteen".