1655255 has 8 divisors (see below), whose sum is σ = 2270112. Its totient is φ = 1135008.

The previous prime is 1655249. The next prime is 1655257. The reversal of 1655255 is 5525561.

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

It is not a de Polignac number, because 1655255 - 2¹⁰ = 1654231 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 (1655257) 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 7 ways as a sum of consecutive naturals, for example, 23612 + ... + 23681.

It is an arithmetic number, because the mean of its divisors is an integer number (283764).

2^1655255 is an apocalyptic number.

1655255 is a deficient number, since it is larger than the sum of its proper divisors (614857).

1655255 is an equidigital number, since it uses as much as digits as its factorization.

1655255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47305.

The product of its digits is 7500, while the sum is 29.

The square root of 1655255 is about 1286.5671377740. The cubic root of 1655255 is about 118.2918896506.

The spelling of 1655255 in words is "one million, six hundred fifty-five thousand, two hundred fifty-five".