4545403 has 2 divisors, whose sum is σ = 4545404. Its totient is φ = 4545402.

The previous prime is 4545397. The next prime is 4545433. The reversal of 4545403 is 3045454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545403 - 2⁵ = 4545371 is a prime.

4545403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4545433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272701 + 2272702.

It is an arithmetic number, because the mean of its divisors is an integer number (2272702).

Almost surely, 2^4545403 is an apocalyptic number.

4545403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545403 is an equidigital number, since it uses as much as digits as its factorization.

4545403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4545403 is about 2131.9950750412. The cubic root of 4545403 is about 165.6497550752.

The spelling of 4545403 in words is "four million, five hundred forty-five thousand, four hundred three".