3132925 has 12 divisors (see below), whose sum is σ = 3922740. Its totient is φ = 2481920.

The previous prime is 3132923. The next prime is 3132971. The reversal of 3132925 is 5292313.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1602756 + 1530169 = 1266^2 + 1237^2 .

It is not a de Polignac number, because 3132925 - 2¹ = 3132923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3132925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2271 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (326895).

Almost surely, 2^3132925 is an apocalyptic number.

It is an amenable number.

3132925 is a deficient number, since it is larger than the sum of its proper divisors (789815).

3132925 is a wasteful number, since it uses less digits than its factorization.

3132925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1227 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 3132925 is about 1770.0070621328. The cubic root of 3132925 is about 146.3243710672.

Subtracting from 3132925 its sum of digits (25), we obtain a square (3132900 = 1770²).

It can be divided in two parts, 31329 and 25, that multiplied together give a square (783225 = 885²).

The spelling of 3132925 in words is "three million, one hundred thirty-two thousand, nine hundred twenty-five".