3138625 has 32 divisors (see below), whose sum is σ = 4762368. Its totient is φ = 2016000.

The previous prime is 3138601. The next prime is 3138637. The reversal of 3138625 is 5268313.

3138625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3138625 - 2⁵ = 3138593 is a prime.

It is a Duffinian number.

Its product of digits (4320) is a multiple of the sum of its prime divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 3138593 and 3138602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14770 + ... + 14980.

It is an arithmetic number, because the mean of its divisors is an integer number (148824).

Almost surely, 2^3138625 is an apocalyptic number.

3138625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3138625 is a deficient number, since it is larger than the sum of its proper divisors (1623743).

3138625 is a wasteful number, since it uses less digits than its factorization.

3138625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 240 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 3138625 is about 1771.6164934884. The cubic root of 3138625 is about 146.4130574765.

The spelling of 3138625 in words is "three million, one hundred thirty-eight thousand, six hundred twenty-five".