4821749 has 2 divisors, whose sum is σ = 4821750. Its totient is φ = 4821748.

The previous prime is 4821737. The next prime is 4821767. The reversal of 4821749 is 9471284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4774225 + 47524 = 2185^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821749 - 2¹² = 4817653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4821769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410874 + 2410875.

It is an arithmetic number, because the mean of its divisors is an integer number (2410875).

Almost surely, 2^4821749 is an apocalyptic number.

It is an amenable number.

4821749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821749 is an equidigital number, since it uses as much as digits as its factorization.

4821749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 4821749 is about 2195.8481277174. The cubic root of 4821749 is about 168.9409244636.

The spelling of 4821749 in words is "four million, eight hundred twenty-one thousand, seven hundred forty-nine".