2013545533 has 4 divisors (see below), whose sum is σ = 2015330140. Its totient is φ = 2011760928.

The previous prime is 2013545483. The next prime is 2013545543. The reversal of 2013545533 is 3355453102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3355453102 = 2 ⋅1677726551.

It can be written as a sum of positive squares in 2 ways, for example, as 881021124 + 1132524409 = 29682^2 + 33653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013545533 - 2⁹ = 2013545021 is a prime.

It is a super-2 number, since 2×2013545533² = 8108731226928508178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013545495 and 2013545504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013545543) 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, 890610 + ... + 892867.

It is an arithmetic number, because the mean of its divisors is an integer number (503832535).

Almost surely, 2^2013545533 is an apocalyptic number.

It is an amenable number.

2013545533 is a deficient number, since it is larger than the sum of its proper divisors (1784607).

2013545533 is a wasteful number, since it uses less digits than its factorization.

2013545533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784606.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2013545533 is about 44872.5476544401. The cubic root of 2013545533 is about 1262.7590361922.

Adding to 2013545533 its reverse (3355453102), we get a palindrome (5368998635).

The spelling of 2013545533 in words is "two billion, thirteen million, five hundred forty-five thousand, five hundred thirty-three".