1662125 has 8 divisors (see below), whose sum is σ = 2074488. Its totient is φ = 1329600.

The previous prime is 1662121. The next prime is 1662149. The reversal of 1662125 is 5212661.

It can be written as a sum of positive squares in 4 ways, for example, as 491401 + 1170724 = 701^2 + 1082^2 .

It is not a de Polignac number, because 1662125 - 2² = 1662121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1662125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6524 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (259311).

2^1662125 is an apocalyptic number.

It is an amenable number.

1662125 is a deficient number, since it is larger than the sum of its proper divisors (412363).

1662125 is an equidigital number, since it uses as much as digits as its factorization.

1662125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312 (or 13302 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1662125 is about 1289.2342688588. The cubic root of 1662125 is about 118.4553173535.

Adding to 1662125 its reverse (5212661), we get a palindrome (6874786).

The spelling of 1662125 in words is "one million, six hundred sixty-two thousand, one hundred twenty-five".