1538359 has 4 divisors (see below), whose sum is σ = 1563640. Its totient is φ = 1513080.

The previous prime is 1538353. The next prime is 1538389. The reversal of 1538359 is 9538351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9538351 = 137 ⋅69623.

It is a cyclic number.

It is not a de Polignac number, because 1538359 - 2⁹ = 1537847 is a prime.

It is a Duffinian number.

1538359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538353) 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, 12549 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (390910).

2^1538359 is an apocalyptic number.

1538359 is a deficient number, since it is larger than the sum of its proper divisors (25281).

1538359 is an equidigital number, since it uses as much as digits as its factorization.

1538359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25280.

The product of its digits is 16200, while the sum is 34.

The square root of 1538359 is about 1240.3060106280. The cubic root of 1538359 is about 115.4390025426.

The spelling of 1538359 in words is "one million, five hundred thirty-eight thousand, three hundred fifty-nine".