1955003 has 6 divisors (see below), whose sum is σ = 2005572. Its totient is φ = 1905680.

The previous prime is 1954991. The next prime is 1955021. The reversal of 1955003 is 3005591.

It is not a de Polignac number, because 1955003 - 2⁴ = 1954987 is a prime.

It is a super-3 number, since 3×1955003³ = 22416279819833355081, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1955003.

It is not an unprimeable number, because it can be changed into a prime (1955033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (334262).

2^1955003 is an apocalyptic number.

1955003 is a deficient number, since it is larger than the sum of its proper divisors (50569).

1955003 is an equidigital number, since it uses as much as digits as its factorization.

1955003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1955003 is about 1398.2142182084. The cubic root of 1955003 is about 125.0400511659.

The spelling of 1955003 in words is "one million, nine hundred fifty-five thousand, three".