3142725 has 12 divisors (see below), whose sum is σ = 5196096. Its totient is φ = 1676080.

The previous prime is 3142721. The next prime is 3142729. The reversal of 3142725 is 5272413.

It is an interprime number because it is at equal distance from previous prime (3142721) and next prime (3142729).

It is not a de Polignac number, because 3142725 - 2² = 3142721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3142695 and 3142704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20877 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (433008).

Almost surely, 2^3142725 is an apocalyptic number.

It is an amenable number.

3142725 is a deficient number, since it is larger than the sum of its proper divisors (2053371).

3142725 is a wasteful number, since it uses less digits than its factorization.

3142725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41916 (or 41911 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 3142725 is about 1772.7732511520. The cubic root of 3142725 is about 146.4767830821.

The spelling of 3142725 in words is "three million, one hundred forty-two thousand, seven hundred twenty-five".