4549973 has 2 divisors, whose sum is σ = 4549974. Its totient is φ = 4549972.

The previous prime is 4549967. The next prime is 4549991. The reversal of 4549973 is 3799454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4502884 + 47089 = 2122^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 4549973 - 2⁴ = 4549957 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4549973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4549933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274986 + 2274987.

It is an arithmetic number, because the mean of its divisors is an integer number (2274987).

Almost surely, 2^4549973 is an apocalyptic number.

It is an amenable number.

4549973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549973 is an equidigital number, since it uses as much as digits as its factorization.

4549973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 4549973 is about 2133.0665718631. The cubic root of 4549973 is about 165.7052518644.

The spelling of 4549973 in words is "four million, five hundred forty-nine thousand, nine hundred seventy-three".