1353811 has 4 divisors (see below), whose sum is σ = 1362592. Its totient is φ = 1345032.

The previous prime is 1353809. The next prime is 1353827. The reversal of 1353811 is 1183531.

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

It is a cyclic number.

It is not a de Polignac number, because 1353811 - 2¹ = 1353809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353881) 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, 4155 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (340648).

2^1353811 is an apocalyptic number.

1353811 is a deficient number, since it is larger than the sum of its proper divisors (8781).

1353811 is an equidigital number, since it uses as much as digits as its factorization.

1353811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780.

The product of its digits is 360, while the sum is 22.

The square root of 1353811 is about 1163.5338413643. The cubic root of 1353811 is about 110.6248460955.

It can be divided in two parts, 13 and 53811, that added together give a square (53824 = 232²).

The spelling of 1353811 in words is "one million, three hundred fifty-three thousand, eight hundred eleven".