1653055 has 4 divisors (see below), whose sum is σ = 1983672. Its totient is φ = 1322440.

The previous prime is 1653031. The next prime is 1653059. The reversal of 1653055 is 5503561.

1653055 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5503561 = 7 ⋅786223.

It is not a de Polignac number, because 1653055 - 2⁵ = 1653023 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 (1653059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165301 + ... + 165310.

It is an arithmetic number, because the mean of its divisors is an integer number (495918).

2^1653055 is an apocalyptic number.

1653055 is a deficient number, since it is larger than the sum of its proper divisors (330617).

1653055 is an equidigital number, since it uses as much as digits as its factorization.

1653055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330616.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1653055 is about 1285.7118650771. The cubic root of 1653055 is about 118.2394591513.

The spelling of 1653055 in words is "one million, six hundred fifty-three thousand, fifty-five".