1655041 has 4 divisors (see below), whose sum is σ = 1657684. Its totient is φ = 1652400.

The previous prime is 1655039. The next prime is 1655051. The reversal of 1655041 is 1405561.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 531441 = 1060^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655041 - 2¹ = 1655039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1655021) 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, 211 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (414421).

2^1655041 is an apocalyptic number.

It is an amenable number.

1655041 is a deficient number, since it is larger than the sum of its proper divisors (2643).

1655041 is a wasteful number, since it uses less digits than its factorization.

1655041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1655041 is about 1286.4839680307. The cubic root of 1655041 is about 118.2867916334.

The spelling of 1655041 in words is "one million, six hundred fifty-five thousand, forty-one".