1672603 has 2 divisors, whose sum is σ = 1672604. Its totient is φ = 1672602.

The previous prime is 1672553. The next prime is 1672607. The reversal of 1672603 is 3062761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1672603 - 2⁹ = 1672091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672607) 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 as a sum of consecutive naturals, namely, 836301 + 836302.

It is an arithmetic number, because the mean of its divisors is an integer number (836302).

2^1672603 is an apocalyptic number.

1672603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672603 is an equidigital number, since it uses as much as digits as its factorization.

1672603 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 1672603 is about 1293.2915371253. The cubic root of 1672603 is about 118.7037093814.

The spelling of 1672603 in words is "one million, six hundred seventy-two thousand, six hundred three".