676545 has 32 divisors (see below), whose sum is σ = 1181952. Its totient is φ = 329472.

The previous prime is 676523. The next prime is 676573. The reversal of 676545 is 545676.

676545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 676545 - 2⁸ = 676289 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

676545 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12739 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (36936).

2⁶⁷⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

676545 is a deficient number, since it is larger than the sum of its proper divisors (505407).

676545 is a wasteful number, since it uses less digits than its factorization.

676545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121.

The product of its digits is 25200, while the sum is 33.

The square root of 676545 is about 822.5235558937. The cubic root of 676545 is about 87.7874086651.

Adding to 676545 its reverse (545676), we get a palindrome (1222221).

It can be divided in two parts, 676 and 545, that added together give a palindrome (1221).

The spelling of 676545 in words is "six hundred seventy-six thousand, five hundred forty-five".