1652005 has 8 divisors (see below), whose sum is σ = 1995552. Its totient is φ = 1312848.

The previous prime is 1651981. The next prime is 1652011. The reversal of 1652005 is 5002561.

1652005 = 8² + 9² + ... + 170².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1652005 - 2⁷ = 1651877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (249444).

2^1652005 is an apocalyptic number.

It is an amenable number.

1652005 is a deficient number, since it is larger than the sum of its proper divisors (343547).

1652005 is a wasteful number, since it uses less digits than its factorization.

1652005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1652005 is about 1285.3034661122. The cubic root of 1652005 is about 118.2144191036.

Adding to 1652005 its reverse (5002561), we get a palindrome (6654566).

The spelling of 1652005 in words is "one million, six hundred fifty-two thousand, five".