1355263 has 16 divisors (see below), whose sum is σ = 1705536. Its totient is φ = 1048320.

The previous prime is 1355261. The next prime is 1355267. The reversal of 1355263 is 3625531.

It is a happy number.

It is not a de Polignac number, because 1355263 - 2¹ = 1355261 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4683 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (106596).

2^1355263 is an apocalyptic number.

1355263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1355263 is a deficient number, since it is larger than the sum of its proper divisors (350273).

1355263 is a wasteful number, since it uses less digits than its factorization.

1355263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

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

The square root of 1355263 is about 1164.1576353742. The cubic root of 1355263 is about 110.6643813741.

It can be divided in two parts, 13552 and 63, that multiplied together give a square (853776 = 924²).

The spelling of 1355263 in words is "one million, three hundred fifty-five thousand, two hundred sixty-three".