3251506628 has 24 divisors (see below), whose sum is σ = 5803721280. Its totient is φ = 1593566240.

The previous prime is 3251506603. The next prime is 3251506631. The reversal of 3251506628 is 8266051523.

It is a junction number, because it is equal to n+sod(n) for n = 3251506591 and 3251506600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16043 + ... + 82221.

It is an arithmetic number, because the mean of its divisors is an integer number (241821720).

Almost surely, 2^3251506628 is an apocalyptic number.

It is an amenable number.

3251506628 is a deficient number, since it is larger than the sum of its proper divisors (2552214652).

3251506628 is a wasteful number, since it uses less digits than its factorization.

3251506628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66427 (or 66425 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 3251506628 is about 57021.9837255773. The cubic root of 3251506628 is about 1481.4768901009.

The spelling of 3251506628 in words is "three billion, two hundred fifty-one million, five hundred six thousand, six hundred twenty-eight".