1355604353 has 4 divisors (see below), whose sum is σ = 1356329988. Its totient is φ = 1354878720.

The previous prime is 1355604347. The next prime is 1355604407. The reversal of 1355604353 is 3534065531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 402523969 + 953080384 = 20063^2 + 30872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355604353 - 2¹⁰ = 1355603329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355604323) 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, 360008 + ... + 363753.

It is an arithmetic number, because the mean of its divisors is an integer number (339082497).

Almost surely, 2^1355604353 is an apocalyptic number.

It is an amenable number.

1355604353 is a deficient number, since it is larger than the sum of its proper divisors (725635).

1355604353 is an equidigital number, since it uses as much as digits as its factorization.

1355604353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725634.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 1355604353 is about 36818.5327382828. The cubic root of 1355604353 is about 1106.7367168586.

Adding to 1355604353 its reverse (3534065531), we get a palindrome (4889669884).

The spelling of 1355604353 in words is "one billion, three hundred fifty-five million, six hundred four thousand, three hundred fifty-three".