4821797 has 2 divisors, whose sum is σ = 4821798. Its totient is φ = 4821796.

The previous prime is 4821793. The next prime is 4821799. The reversal of 4821797 is 7971284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 21316 = 2191^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821797 - 2² = 4821793 is a prime.

Together with 4821799, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4821797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4821793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410898 + 2410899.

It is an arithmetic number, because the mean of its divisors is an integer number (2410899).

Almost surely, 2^4821797 is an apocalyptic number.

It is an amenable number.

4821797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821797 is an equidigital number, since it uses as much as digits as its factorization.

4821797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 4821797 is about 2195.8590574078. The cubic root of 4821797 is about 168.9414850581.

The spelling of 4821797 in words is "four million, eight hundred twenty-one thousand, seven hundred ninety-seven".