1303361 has 4 divisors (see below), whose sum is σ = 1306032. Its totient is φ = 1300692.

The previous prime is 1303331. The next prime is 1303363. The reversal of 1303361 is 1633031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1303361 - 2⁶ = 1303297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303363) 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, 371 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (326508).

2^1303361 is an apocalyptic number.

It is an amenable number.

1303361 is a deficient number, since it is larger than the sum of its proper divisors (2671).

1303361 is an equidigital number, since it uses as much as digits as its factorization.

1303361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1303361 is about 1141.6483696831. The cubic root of 1303361 is about 109.2332630446.

Adding to 1303361 its reverse (1633031), we get a palindrome (2936392).

The spelling of 1303361 in words is "one million, three hundred three thousand, three hundred sixty-one".