1955285 has 4 divisors (see below), whose sum is σ = 2346348. Its totient is φ = 1564224.

The previous prime is 1955281. The next prime is 1955287. The reversal of 1955285 is 5825591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1456849 + 498436 = 1207^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955285 - 2² = 1955281 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 (1955281) 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, 195524 + ... + 195533.

It is an arithmetic number, because the mean of its divisors is an integer number (586587).

2^1955285 is an apocalyptic number.

It is an amenable number.

1955285 is a deficient number, since it is larger than the sum of its proper divisors (391063).

1955285 is an equidigital number, since it uses as much as digits as its factorization.

1955285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391062.

The product of its digits is 18000, while the sum is 35.

The square root of 1955285 is about 1398.3150574888. The cubic root of 1955285 is about 125.0460630235.

The spelling of 1955285 in words is "one million, nine hundred fifty-five thousand, two hundred eighty-five".