1655495 has 4 divisors (see below), whose sum is σ = 1986600. Its totient is φ = 1324392.

The previous prime is 1655483. The next prime is 1655497. The reversal of 1655495 is 5945561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5945561 = 887 ⋅6703.

It is a cyclic number.

It is not a de Polignac number, because 1655495 - 2²⁰ = 606919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655497) 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, 165545 + ... + 165554.

It is an arithmetic number, because the mean of its divisors is an integer number (496650).

2^1655495 is an apocalyptic number.

1655495 is a deficient number, since it is larger than the sum of its proper divisors (331105).

1655495 is an equidigital number, since it uses as much as digits as its factorization.

1655495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331104.

The product of its digits is 27000, while the sum is 35.

The square root of 1655495 is about 1286.6604058570. The cubic root of 1655495 is about 118.2976065304.

The spelling of 1655495 in words is "one million, six hundred fifty-five thousand, four hundred ninety-five".