4545601 has 2 divisors, whose sum is σ = 4545602. Its totient is φ = 4545600.

The previous prime is 4545599. The next prime is 4545641. The reversal of 4545601 is 1065454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 34225 = 2124^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545601 - 2¹ = 4545599 is a prime.

Together with 4545599, it forms a pair of twin primes.

4545601 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4545641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272800 + 2272801.

It is an arithmetic number, because the mean of its divisors is an integer number (2272801).

Almost surely, 2^4545601 is an apocalyptic number.

It is an amenable number.

4545601 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545601 is an equidigital number, since it uses as much as digits as its factorization.

4545601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4545601 is about 2132.0415099149. The cubic root of 4545601 is about 165.6521603020.

The spelling of 4545601 in words is "four million, five hundred forty-five thousand, six hundred one".