4545913 has 2 divisors, whose sum is σ = 4545914. Its totient is φ = 4545912.

The previous prime is 4545911. The next prime is 4545923. The reversal of 4545913 is 3195454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 1750329 = 1672^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545913 - 2¹ = 4545911 is a prime.

Together with 4545911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4545911) 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, 2272956 + 2272957.

It is an arithmetic number, because the mean of its divisors is an integer number (2272957).

Almost surely, 2^4545913 is an apocalyptic number.

It is an amenable number.

4545913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545913 is an equidigital number, since it uses as much as digits as its factorization.

4545913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 4545913 is about 2132.1146779665. The cubic root of 4545913 is about 165.6559502146.

The spelling of 4545913 in words is "four million, five hundred forty-five thousand, nine hundred thirteen".