1355953 has 4 divisors (see below), whose sum is σ = 1402740. Its totient is φ = 1309168.

The previous prime is 1355947. The next prime is 1355957. The reversal of 1355953 is 3595531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3595531 = 43 ⋅83617.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 339889 = 1008^2 + 583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355953 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355957) 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, 23350 + ... + 23407.

It is an arithmetic number, because the mean of its divisors is an integer number (350685).

2^1355953 is an apocalyptic number.

It is an amenable number.

1355953 is a deficient number, since it is larger than the sum of its proper divisors (46787).

1355953 is an equidigital number, since it uses as much as digits as its factorization.

1355953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46786.

The product of its digits is 10125, while the sum is 31.

The square root of 1355953 is about 1164.4539492827. The cubic root of 1355953 is about 110.6831589024.

The spelling of 1355953 in words is "one million, three hundred fifty-five thousand, nine hundred fifty-three".