945403 has 4 divisors (see below), whose sum is σ = 950400. Its totient is φ = 940408.

The previous prime is 945397. The next prime is 945409. The reversal of 945403 is 304549.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (945397) and next prime (945409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945409) 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, 2203 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

2⁹⁴⁵⁴⁰³ is an apocalyptic number.

945403 is a deficient number, since it is larger than the sum of its proper divisors (4997).

945403 is a wasteful number, since it uses less digits than its factorization.

945403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 945403 is about 972.3183635004. The cubic root of 945403 is about 98.1459369499.

The spelling of 945403 in words is "nine hundred forty-five thousand, four hundred three".