3125005 has 16 divisors (see below), whose sum is σ = 4080384. Its totient is φ = 2283840.

The previous prime is 3124999. The next prime is 3125009. The reversal of 3125005 is 5005213.

It is not a de Polignac number, because 3125005 - 2³ = 3124997 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3125005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8332 + ... + 8698.

It is an arithmetic number, because the mean of its divisors is an integer number (255024).

Almost surely, 2^3125005 is an apocalyptic number.

It is an amenable number.

3125005 is a deficient number, since it is larger than the sum of its proper divisors (955379).

3125005 is a wasteful number, since it uses less digits than its factorization.

3125005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 3125005 is about 1767.7683671794. The cubic root of 3125005 is about 146.2009648844.

It can be divided in two parts, 312500 and 5, that multiplied together give a square (1562500 = 1250²).

The spelling of 3125005 in words is "three million, one hundred twenty-five thousand, five".