972403 has 2 divisors, whose sum is σ = 972404. Its totient is φ = 972402.

The previous prime is 972373. The next prime is 972407. The reversal of 972403 is 304279.

It is a strong prime.

It is an emirp because it is prime and its reverse (304279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972403 is a prime.

It is not a weakly prime, because it can be changed into another prime (972407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486201 + 486202.

It is an arithmetic number, because the mean of its divisors is an integer number (486202).

2⁹⁷²⁴⁰³ is an apocalyptic number.

972403 is a deficient number, since it is larger than the sum of its proper divisors (1).

972403 is an equidigital number, since it uses as much as digits as its factorization.

972403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 972403 is about 986.1049639871. The cubic root of 972403 is about 99.0715056646.

It can be divided in two parts, 97 and 2403, that added together give a square (2500 = 50²).

The spelling of 972403 in words is "nine hundred seventy-two thousand, four hundred three".