4540903 has 2 divisors, whose sum is σ = 4540904. Its totient is φ = 4540902.

The previous prime is 4540889. The next prime is 4540909. The reversal of 4540903 is 3090454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4540903 - 2²¹ = 2443751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270451 + 2270452.

It is an arithmetic number, because the mean of its divisors is an integer number (2270452).

Almost surely, 2^4540903 is an apocalyptic number.

4540903 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540903 is an equidigital number, since it uses as much as digits as its factorization.

4540903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4540903 is about 2130.9394641801. The cubic root of 4540903 is about 165.5950719865.

It can be divided in two parts, 4 and 540903, that multiplied together give a palindrome (2163612).

The spelling of 4540903 in words is "four million, five hundred forty thousand, nine hundred three".