2013453 has 12 divisors (see below), whose sum is σ = 3132220. Its totient is φ = 1238976.

The previous prime is 2013439. The next prime is 2013457. The reversal of 2013453 is 3543102.

It can be written as a sum of positive squares in 2 ways, for example, as 580644 + 1432809 = 762^2 + 1197^2 .

It is not a de Polignac number, because 2013453 - 2⁸ = 2013197 is a prime.

It is a super-3 number, since 3×2013453³ = 24487573002063332031, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8488 + ... + 8721.

2^2013453 is an apocalyptic number.

It is an amenable number.

2013453 is a deficient number, since it is larger than the sum of its proper divisors (1118767).

2013453 is a wasteful number, since it uses less digits than its factorization.

2013453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228 (or 17225 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2013453 is about 1418.9619445214. The cubic root of 2013453 is about 126.2739692424.

Adding to 2013453 its reverse (3543102), we get a palindrome (5556555).

The spelling of 2013453 in words is "two million, thirteen thousand, four hundred fifty-three".