545635 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 407680.

The previous prime is 545621. The next prime is 545641. The reversal of 545635 is 536545.

It is not a de Polignac number, because 545635 - 2¹⁹ = 21347 is a prime.

545635 is a lucky 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, 7650 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁵⁴⁵⁶³⁵ is an apocalyptic number.

545635 is a deficient number, since it is larger than the sum of its proper divisors (154205).

545635 is a wasteful number, since it uses less digits than its factorization.

545635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its digits is 9000, while the sum is 28.

The square root of 545635 is about 738.6711040781. The cubic root of 545635 is about 81.7148034043.

Subtracting from 545635 its product of digits (9000), we obtain a palindrome (536635).

The spelling of 545635 in words is "five hundred forty-five thousand, six hundred thirty-five".