3125003816 has 32 divisors (see below), whose sum is σ = 6487469280. Its totient is φ = 1399252800.

The previous prime is 3125003809. The next prime is 3125003873. The reversal of 3125003816 is 6183005213.

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, 259115 + ... + 270906.

It is an arithmetic number, because the mean of its divisors is an integer number (202733415).

Almost surely, 2^3125003816 is an apocalyptic number.

It is an amenable number.

3125003816 is an abundant number, since it is smaller than the sum of its proper divisors (3362465464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125003816 is a wasteful number, since it uses less digits than its factorization.

3125003816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530105 (or 530101 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3125003816 is about 55901.7335688259. The cubic root of 3125003816 is about 1462.0094642023.

The spelling of 3125003816 in words is "three billion, one hundred twenty-five million, three thousand, eight hundred sixteen".