1353263 has 4 divisors (see below), whose sum is σ = 1355640. Its totient is φ = 1350888.

The previous prime is 1353259. The next prime is 1353269. The reversal of 1353263 is 3623531.

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

It is a cyclic number.

It is not a de Polignac number, because 1353263 - 2² = 1353259 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 (1353269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (338910).

2^1353263 is an apocalyptic number.

1353263 is a deficient number, since it is larger than the sum of its proper divisors (2377).

1353263 is an equidigital number, since it uses as much as digits as its factorization.

1353263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its digits is 1620, while the sum is 23.

The square root of 1353263 is about 1163.2983280311. The cubic root of 1353263 is about 110.6099177200.

Adding to 1353263 its reverse (3623531), we get a palindrome (4976794).

The spelling of 1353263 in words is "one million, three hundred fifty-three thousand, two hundred sixty-three".