9975403 has 2 divisors, whose sum is σ = 9975404. Its totient is φ = 9975402.

The previous prime is 9975389. The next prime is 9975431. The reversal of 9975403 is 3045799.

9975403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9975403 - 2²¹ = 7878251 is a prime.

It is not a weakly prime, because it can be changed into another prime (9975803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987701 + 4987702.

It is an arithmetic number, because the mean of its divisors is an integer number (4987702).

Almost surely, 2^9975403 is an apocalyptic number.

9975403 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975403 is an equidigital number, since it uses as much as digits as its factorization.

9975403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9975403 is about 3158.3861385207. The cubic root of 9975403 is about 215.2666818759.

It can be divided in two parts, 997 and 5403, that added together give a square (6400 = 80²).

The spelling of 9975403 in words is "nine million, nine hundred seventy-five thousand, four hundred three".