1357859 has 4 divisors (see below), whose sum is σ = 1360704. Its totient is φ = 1355016.

The previous prime is 1357843. The next prime is 1357871. The reversal of 1357859 is 9587531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9587531 = 109 ⋅87959.

It is a cyclic number.

It is not a de Polignac number, because 1357859 - 2⁴ = 1357843 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359859) 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, 512 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (340176).

2^1357859 is an apocalyptic number.

1357859 is a deficient number, since it is larger than the sum of its proper divisors (2845).

1357859 is an equidigital number, since it uses as much as digits as its factorization.

1357859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844.

The product of its digits is 37800, while the sum is 38.

The square root of 1357859 is about 1165.2720712349. The cubic root of 1357859 is about 110.7349953430.

The spelling of 1357859 in words is "one million, three hundred fifty-seven thousand, eight hundred fifty-nine".