1585141 has 4 divisors (see below), whose sum is σ = 1592352. Its totient is φ = 1577932.

The previous prime is 1585127. The next prime is 1585147. The reversal of 1585141 is 1415851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1585141 - 2⁷ = 1585013 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 (1585147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (398088).

2^1585141 is an apocalyptic number.

It is an amenable number.

1585141 is a deficient number, since it is larger than the sum of its proper divisors (7211).

1585141 is an equidigital number, since it uses as much as digits as its factorization.

1585141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210.

The product of its digits is 800, while the sum is 25.

The square root of 1585141 is about 1259.0238282098. The cubic root of 1585141 is about 116.5975163912.

The spelling of 1585141 in words is "one million, five hundred eighty-five thousand, one hundred forty-one".