1380353 has 4 divisors (see below), whose sum is σ = 1486548. Its totient is φ = 1274160.

The previous prime is 1380341. The next prime is 1380377. The reversal of 1380353 is 3530831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3530831 = 197 ⋅17923.

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 1270129 = 332^2 + 1127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380353 - 2⁶ = 1380289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53078 + ... + 53103.

It is an arithmetic number, because the mean of its divisors is an integer number (371637).

It is a Proth number, since it is equal to 337 ⋅ 2¹² + 1 and 337 < 2¹².

2^1380353 is an apocalyptic number.

1380353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1380353 is a deficient number, since it is larger than the sum of its proper divisors (106195).

1380353 is a wasteful number, since it uses less digits than its factorization.

1380353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106194.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1380353 is about 1174.8842496178. The cubic root of 1380353 is about 111.3431202826.

The spelling of 1380353 in words is "one million, three hundred eighty thousand, three hundred fifty-three".