1715225 has 24 divisors (see below), whose sum is σ = 2351040. Its totient is φ = 1235520.

The previous prime is 1715213. The next prime is 1715237. The reversal of 1715225 is 5225171.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1715213) and next prime (1715237).

It is not a de Polignac number, because 1715225 - 2¹⁶ = 1649689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1715225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10847 + ... + 11003.

It is an arithmetic number, because the mean of its divisors is an integer number (97960).

2^1715225 is an apocalyptic number.

It is an amenable number.

1715225 is a deficient number, since it is larger than the sum of its proper divisors (635815).

1715225 is a wasteful number, since it uses less digits than its factorization.

1715225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 204 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 1715225 is about 1309.6659879527. The cubic root of 1715225 is about 119.7035506587.

The spelling of 1715225 in words is "one million, seven hundred fifteen thousand, two hundred twenty-five".