1662053 has 4 divisors (see below), whose sum is σ = 1666080. Its totient is φ = 1658028.

The previous prime is 1662041. The next prime is 1662083. The reversal of 1662053 is 3502661.

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 a cyclic number.

It is not a de Polignac number, because 1662053 - 2¹⁰ = 1661029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (416520).

2^1662053 is an apocalyptic number.

It is an amenable number.

1662053 is a deficient number, since it is larger than the sum of its proper divisors (4027).

1662053 is an equidigital number, since it uses as much as digits as its factorization.

1662053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1662053 is about 1289.2063450046. The cubic root of 1662053 is about 118.4536069113.

The spelling of 1662053 in words is "one million, six hundred sixty-two thousand, fifty-three".