675403 has 4 divisors (see below), whose sum is σ = 677160. Its totient is φ = 673648.

The previous prime is 675391. The next prime is 675407. The reversal of 675403 is 304576.

675403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 675403 - 2¹³ = 667211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675407) 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, 25 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

2⁶⁷⁵⁴⁰³ is an apocalyptic number.

675403 is a deficient number, since it is larger than the sum of its proper divisors (1757).

675403 is a wasteful number, since it uses less digits than its factorization.

675403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 675403 is about 821.8290576513. The cubic root of 675403 is about 87.7379861422.

Adding to 675403 its reverse (304576), we get a palindrome (979979).

The spelling of 675403 in words is "six hundred seventy-five thousand, four hundred three".