1859255 has 4 divisors (see below), whose sum is σ = 2231112. Its totient is φ = 1487400.

The previous prime is 1859243. The next prime is 1859269. The reversal of 1859255 is 5529581.

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

It is not a de Polignac number, because 1859255 - 2¹⁶ = 1793719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185921 + ... + 185930.

It is an arithmetic number, because the mean of its divisors is an integer number (557778).

2^1859255 is an apocalyptic number.

1859255 is a deficient number, since it is larger than the sum of its proper divisors (371857).

1859255 is an equidigital number, since it uses as much as digits as its factorization.

1859255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371856.

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

The square root of 1859255 is about 1363.5450120916. The cubic root of 1859255 is about 122.9644729615.

It can be divided in two parts, 185 and 9255, that multiplied together give a triangular number (1712175 = T₁₈₅₀).

The spelling of 1859255 in words is "one million, eight hundred fifty-nine thousand, two hundred fifty-five".