1055603 has 2 divisors, whose sum is σ = 1055604. Its totient is φ = 1055602.

The previous prime is 1055597. The next prime is 1055609. The reversal of 1055603 is 3065501.

It is a balanced prime because it is at equal distance from previous prime (1055597) and next prime (1055609).

It is a cyclic number.

It is not a de Polignac number, because 1055603 - 2⁸ = 1055347 is a prime.

It is a super-2 number, since 2×1055603² = 2228595387218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527801 + 527802.

It is an arithmetic number, because the mean of its divisors is an integer number (527802).

2^1055603 is an apocalyptic number.

1055603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055603 is an equidigital number, since it uses as much as digits as its factorization.

1055603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1055603 is about 1027.4254230843. The cubic root of 1055603 is about 101.8201045410.

The spelling of 1055603 in words is "one million, fifty-five thousand, six hundred three".