1669053 has 4 divisors (see below), whose sum is σ = 2225408. Its totient is φ = 1112700.

The previous prime is 1669049. The next prime is 1669061. The reversal of 1669053 is 3509661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1669053 - 2² = 1669049 is a prime.

It is a D-number.

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 1669053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278173 + ... + 278178.

It is an arithmetic number, because the mean of its divisors is an integer number (556352).

2^1669053 is an apocalyptic number.

It is an amenable number.

1669053 is a deficient number, since it is larger than the sum of its proper divisors (556355).

1669053 is an equidigital number, since it uses as much as digits as its factorization.

1669053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556354.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1669053 is about 1291.9183410727. The cubic root of 1669053 is about 118.6196693848.

The spelling of 1669053 in words is "one million, six hundred sixty-nine thousand, fifty-three".