1355201245 has 4 divisors (see below), whose sum is σ = 1626241500. Its totient is φ = 1084160992.

The previous prime is 1355201231. The next prime is 1355201269. The reversal of 1355201245 is 5421025531.

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 274830084 + 1080371161 = 16578^2 + 32869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355201245 - 2¹⁹ = 1354676957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135520120 + ... + 135520129.

It is an arithmetic number, because the mean of its divisors is an integer number (406560375).

Almost surely, 2^1355201245 is an apocalyptic number.

It is an amenable number.

1355201245 is a deficient number, since it is larger than the sum of its proper divisors (271040255).

1355201245 is an equidigital number, since it uses as much as digits as its factorization.

1355201245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271040254.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1355201245 is about 36813.0580772638. The cubic root of 1355201245 is about 1106.6270047458.

Adding to 1355201245 its reverse (5421025531), we get a palindrome (6776226776).

The spelling of 1355201245 in words is "one billion, three hundred fifty-five million, two hundred one thousand, two hundred forty-five".