1353405 has 8 divisors (see below), whose sum is σ = 2165472. Its totient is φ = 721808.

The previous prime is 1353397. The next prime is 1353433. The reversal of 1353405 is 5043531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1353405 - 2³ = 1353397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45099 + ... + 45128.

It is an arithmetic number, because the mean of its divisors is an integer number (270684).

2^1353405 is an apocalyptic number.

1353405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1353405 is a deficient number, since it is larger than the sum of its proper divisors (812067).

1353405 is an equidigital number, since it uses as much as digits as its factorization.

1353405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90235.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1353405 is about 1163.3593597853. The cubic root of 1353405 is about 110.6137864084.

Adding to 1353405 its reverse (5043531), we get a palindrome (6396936).

The spelling of 1353405 in words is "one million, three hundred fifty-three thousand, four hundred five".