545369 has 8 divisors (see below), whose sum is σ = 609312. Its totient is φ = 483840.

The previous prime is 545329. The next prime is 545371. The reversal of 545369 is 963545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545369 - 2¹⁶ = 479833 is a prime.

It is a super-2 number, since 2×545369² = 594854692322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (76164).

2⁵⁴⁵³⁶⁹ is an apocalyptic number.

It is an amenable number.

545369 is a deficient number, since it is larger than the sum of its proper divisors (63943).

545369 is a wasteful number, since it uses less digits than its factorization.

545369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 16200, while the sum is 32.

The square root of 545369 is about 738.4910290586. The cubic root of 545369 is about 81.7015224437.

It can be divided in two parts, 54536 and 9, that added together give a palindrome (54545).

The spelling of 545369 in words is "five hundred forty-five thousand, three hundred sixty-nine".