545240411 has 4 divisors (see below), whose sum is σ = 545310000. Its totient is φ = 545170824.

The previous prime is 545240401. The next prime is 545240441. The reversal of 545240411 is 114042545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545240411 - 2²⁶ = 478131547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545240401) 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, 21296 + ... + 39293.

It is an arithmetic number, because the mean of its divisors is an integer number (136327500).

Almost surely, 2^545240411 is an apocalyptic number.

545240411 is a deficient number, since it is larger than the sum of its proper divisors (69589).

545240411 is an equidigital number, since it uses as much as digits as its factorization.

545240411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69588.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 545240411 is about 23350.3835300408. The cubic root of 545240411 is about 816.9510064919.

Adding to 545240411 its reverse (114042545), we get a palindrome (659282956).

The spelling of 545240411 in words is "five hundred forty-five million, two hundred forty thousand, four hundred eleven".