1679225 has 6 divisors (see below), whose sum is σ = 2082270. Its totient is φ = 1343360.

The previous prime is 1679213. The next prime is 1679233. The reversal of 1679225 is 5229761.

It can be written as a sum of positive squares in 3 ways, for example, as 12544 + 1666681 = 112^2 + 1291^2 .

It is not a de Polignac number, because 1679225 - 2¹⁴ = 1662841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1679191 and 1679200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33560 + ... + 33609.

It is an arithmetic number, because the mean of its divisors is an integer number (347045).

2^1679225 is an apocalyptic number.

It is an amenable number.

1679225 is a deficient number, since it is larger than the sum of its proper divisors (403045).

1679225 is an equidigital number, since it uses as much as digits as its factorization.

1679225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67179 (or 67174 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1679225 is about 1295.8491424545. The cubic root of 1679225 is about 118.8601563249.

The spelling of 1679225 in words is "one million, six hundred seventy-nine thousand, two hundred twenty-five".