545326 has 16 divisors (see below), whose sum is σ = 888624. Its totient is φ = 249984.

The previous prime is 545291. The next prime is 545329. The reversal of 545326 is 623545.

It is a self number, because there is not a number n which added to its sum of digits gives 545326.

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, 1276 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (55539).

2⁵⁴⁵³²⁶ is an apocalyptic number.

545326 is a deficient number, since it is larger than the sum of its proper divisors (343298).

545326 is a wasteful number, since it uses less digits than its factorization.

545326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its digits is 3600, while the sum is 25.

The square root of 545326 is about 738.4619150640. The cubic root of 545326 is about 81.6993751160.

It can be divided in two parts, 5453 and 26, that multiplied together give a triangular number (141778 = T₅₃₂).

The spelling of 545326 in words is "five hundred forty-five thousand, three hundred twenty-six".