975403 has 16 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 773280.

The previous prime is 975389. The next prime is 975421. The reversal of 975403 is 304579.

It is a cyclic number.

It is not a de Polignac number, because 975403 - 2⁹ = 974891 is a prime.

It is a super-2 number, since 2×975403² = 1902822024818, which contains 22 as substring.

It is a Duffinian number.

975403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (975433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2⁹⁷⁵⁴⁰³ is an apocalyptic number.

975403 is a deficient number, since it is larger than the sum of its proper divisors (234197).

975403 is a wasteful number, since it uses less digits than its factorization.

975403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 975403 is about 987.6249288065. The cubic root of 975403 is about 99.1732842448.

It can be divided in two parts, 975 and 403, that added together give a triangular number (1378 = T₅₂).

The spelling of 975403 in words is "nine hundred seventy-five thousand, four hundred three".