4206545 has 16 divisors (see below), whose sum is σ = 5956608. Its totient is φ = 2790720.

The previous prime is 4206533. The next prime is 4206551. The reversal of 4206545 is 5456024.

It is not a de Polignac number, because 4206545 - 2⁴ = 4206529 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (372288).

Almost surely, 2^4206545 is an apocalyptic number.

It is an amenable number.

4206545 is a deficient number, since it is larger than the sum of its proper divisors (1750063).

4206545 is a wasteful number, since it uses less digits than its factorization.

4206545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4206545 is about 2050.9863480774. The cubic root of 4206545 is about 161.4266297608.

The spelling of 4206545 in words is "four million, two hundred six thousand, five hundred forty-five".