3125512 has 32 divisors (see below), whose sum is σ = 6473880. Its totient is φ = 1405440.

The previous prime is 3125503. The next prime is 3125527. The reversal of 3125512 is 2155213.

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 857476 = 1506^2 + 926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3125512.

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, 3898 + ... + 4630.

Almost surely, 2^3125512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236940).

3125512 is an abundant number, since it is smaller than the sum of its proper divisors (3348368).

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

3125512 is a wasteful number, since it uses less digits than its factorization.

3125512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 3125512 is about 1767.9117625040. The cubic root of 3125512 is about 146.2088709924.

Subtracting from 3125512 its reverse (2155213), we obtain a cube (970299 = 99³).

The spelling of 3125512 in words is "three million, one hundred twenty-five thousand, five hundred twelve".