4501999 has 2 divisors, whose sum is σ = 4502000. Its totient is φ = 4501998.

The previous prime is 4501969. The next prime is 4502009. The reversal of 4501999 is 9991054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4501999 - 2²¹ = 2404847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4501919) 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, 2250999 + 2251000.

It is an arithmetic number, because the mean of its divisors is an integer number (2251000).

Almost surely, 2^4501999 is an apocalyptic number.

4501999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4501999 is an equidigital number, since it uses as much as digits as its factorization.

4501999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 4501999 is about 2121.7914600639. The cubic root of 4501999 is about 165.1208053167.

The spelling of 4501999 in words is "four million, five hundred one thousand, nine hundred ninety-nine".