1363853 has 4 divisors (see below), whose sum is σ = 1374720. Its totient is φ = 1352988.

The previous prime is 1363847. The next prime is 1363867. The reversal of 1363853 is 3583631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3583631 = 31 ⋅115601.

It is a cyclic number.

It is not a de Polignac number, because 1363853 - 2⁴ = 1363837 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 (1363883) 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, 5243 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (343680).

2^1363853 is an apocalyptic number.

It is an amenable number.

1363853 is a deficient number, since it is larger than the sum of its proper divisors (10867).

1363853 is a wasteful number, since it uses less digits than its factorization.

1363853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866.

The product of its digits is 6480, while the sum is 29.

The square root of 1363853 is about 1167.8411707077. The cubic root of 1363853 is about 110.8976954202.

The spelling of 1363853 in words is "one million, three hundred sixty-three thousand, eight hundred fifty-three".