1355230213 has 4 divisors (see below), whose sum is σ = 1357990848. Its totient is φ = 1352469580.

The previous prime is 1355230207. The next prime is 1355230223. The reversal of 1355230213 is 3120325531.

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: 3120325531 = 8849 ⋅352619.

It is a cyclic number.

It is not a de Polignac number, because 1355230213 - 2¹³ = 1355222021 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 (1355230223) 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, 1379581 + ... + 1380562.

It is an arithmetic number, because the mean of its divisors is an integer number (339497712).

Almost surely, 2^1355230213 is an apocalyptic number.

It is an amenable number.

1355230213 is a deficient number, since it is larger than the sum of its proper divisors (2760635).

1355230213 is an equidigital number, since it uses as much as digits as its factorization.

1355230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760634.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1355230213 is about 36813.4515225074. The cubic root of 1355230213 is about 1106.6348895631.

Adding to 1355230213 its reverse (3120325531), we get a palindrome (4475555744).

The spelling of 1355230213 in words is "one billion, three hundred fifty-five million, two hundred thirty thousand, two hundred thirteen".