4540919 has 2 divisors, whose sum is σ = 4540920. Its totient is φ = 4540918.

The previous prime is 4540909. The next prime is 4540927. The reversal of 4540919 is 9190454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4540919 - 2⁴ = 4540903 is a prime.

It is a super-2 number, since 2×4540919² = 41239890729122, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270459 + 2270460.

It is an arithmetic number, because the mean of its divisors is an integer number (2270460).

Almost surely, 2^4540919 is an apocalyptic number.

4540919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540919 is an equidigital number, since it uses as much as digits as its factorization.

4540919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 4540919 is about 2130.9432183895. The cubic root of 4540919 is about 165.5952664792.

The spelling of 4540919 in words is "four million, five hundred forty thousand, nine hundred nineteen".