4961791 has 2 divisors, whose sum is σ = 4961792. Its totient is φ = 4961790.

The previous prime is 4961783. The next prime is 4961797. The reversal of 4961791 is 1971694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4961791 - 2³ = 4961783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4961791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4961797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480895 + 2480896.

It is an arithmetic number, because the mean of its divisors is an integer number (2480896).

Almost surely, 2^4961791 is an apocalyptic number.

4961791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961791 is an equidigital number, since it uses as much as digits as its factorization.

4961791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 4961791 is about 2227.5078002108. The cubic root of 4961791 is about 170.5609039307.

The spelling of 4961791 in words is "four million, nine hundred sixty-one thousand, seven hundred ninety-one".