4956491 has 2 divisors, whose sum is σ = 4956492. Its totient is φ = 4956490.

The previous prime is 4956487. The next prime is 4956509. The reversal of 4956491 is 1946594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4956491 - 2² = 4956487 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4956451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2478245 + 2478246.

It is an arithmetic number, because the mean of its divisors is an integer number (2478246).

Almost surely, 2^4956491 is an apocalyptic number.

4956491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4956491 is an equidigital number, since it uses as much as digits as its factorization.

4956491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 4956491 is about 2226.3178119936. The cubic root of 4956491 is about 170.5001533640.

The spelling of 4956491 in words is "four million, nine hundred fifty-six thousand, four hundred ninety-one".