3545543 has 4 divisors (see below), whose sum is σ = 3557400. Its totient is φ = 3533688.

The previous prime is 3545497. The next prime is 3545567. The reversal of 3545543 is 3455453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3455453 = 59 ⋅58567.

It is a cyclic number.

It is not a de Polignac number, because 3545543 - 2⁸ = 3545287 is a prime.

It is a super-3 number, since 3×3545543³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542543) 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, 5468 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (889350).

Almost surely, 2^3545543 is an apocalyptic number.

3545543 is a deficient number, since it is larger than the sum of its proper divisors (11857).

3545543 is a wasteful number, since it uses less digits than its factorization.

3545543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856.

The product of its digits is 18000, while the sum is 29.

The square root of 3545543 is about 1882.9612316774. The cubic root of 3545543 is about 152.4851620429.

It can be divided in two parts, 35 and 45543, that multiplied together give a triangular number (1594005 = T₁₇₈₅).

The spelling of 3545543 in words is "three million, five hundred forty-five thousand, five hundred forty-three".