3137225 has 36 divisors (see below), whose sum is σ = 4898124. Its totient is φ = 1975680.

The previous prime is 3137209. The next prime is 3137243. The reversal of 3137225 is 5227313.

It can be written as a sum of positive squares in 6 ways, for example, as 784 + 3136441 = 28^2 + 1771^2 .

It is not a de Polignac number, because 3137225 - 2⁴ = 3137209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3137225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15827 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (136059).

Almost surely, 2^3137225 is an apocalyptic number.

3137225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3137225 is a deficient number, since it is larger than the sum of its proper divisors (1760899).

3137225 is a wasteful number, since it uses less digits than its factorization.

3137225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 222 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 3137225 is about 1771.2213300432. The cubic root of 3137225 is about 146.3912848037.

The spelling of 3137225 in words is "three million, one hundred thirty-seven thousand, two hundred twenty-five".