2045503 has 2 divisors, whose sum is σ = 2045504. Its totient is φ = 2045502.

The previous prime is 2045441. The next prime is 2045509. The reversal of 2045503 is 3055402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045503 - 2¹³ = 2037311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022751 + 1022752.

It is an arithmetic number, because the mean of its divisors is an integer number (1022752).

2^2045503 is an apocalyptic number.

2045503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045503 is an equidigital number, since it uses as much as digits as its factorization.

2045503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2045503 is about 1430.2108236201. The cubic root of 2045503 is about 126.9404519643.

The spelling of 2045503 in words is "two million, forty-five thousand, five hundred three".