4835921 has 2 divisors, whose sum is σ = 4835922. Its totient is φ = 4835920.

The previous prime is 4835917. The next prime is 4835923. The reversal of 4835921 is 1295384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 83521 = 2180^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 4835921 - 2² = 4835917 is a prime.

It is a super-2 number, since 2×4835921² = 46772263836482, which contains 22 as substring.

Together with 4835923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4835923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417960 + 2417961.

It is an arithmetic number, because the mean of its divisors is an integer number (2417961).

Almost surely, 2^4835921 is an apocalyptic number.

It is an amenable number.

4835921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4835921 is an equidigital number, since it uses as much as digits as its factorization.

4835921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 4835921 is about 2199.0727591419. The cubic root of 4835921 is about 169.1062786336.

The spelling of 4835921 in words is "four million, eight hundred thirty-five thousand, nine hundred twenty-one".