4918261 has 2 divisors, whose sum is σ = 4918262. Its totient is φ = 4918260.

The previous prime is 4918259. The next prime is 4918267. The reversal of 4918261 is 1628194.

It is a happy number.

4918261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 483025 = 2106^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 4918261 - 2¹ = 4918259 is a prime.

Together with 4918259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4918267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459130 + 2459131.

It is an arithmetic number, because the mean of its divisors is an integer number (2459131).

Almost surely, 2^4918261 is an apocalyptic number.

It is an amenable number.

4918261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4918261 is an equidigital number, since it uses as much as digits as its factorization.

4918261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 4918261 is about 2217.7152657634. The cubic root of 4918261 is about 170.0606588608.

The spelling of 4918261 in words is "four million, nine hundred eighteen thousand, two hundred sixty-one".