4927931 has 2 divisors, whose sum is σ = 4927932. Its totient is φ = 4927930.

The previous prime is 4927927. The next prime is 4927933. The reversal of 4927931 is 1397294.

Added to its reverse (1397294) it gives a square (6325225 = 2515²).

4927931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4927931 - 2² = 4927927 is a prime.

It is a super-2 number, since 2×4927931² = 48569007881522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4927933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4927891 and 4927900.

It is not a weakly prime, because it can be changed into another prime (4927933) 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, 2463965 + 2463966.

It is an arithmetic number, because the mean of its divisors is an integer number (2463966).

Almost surely, 2^4927931 is an apocalyptic number.

4927931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4927931 is an equidigital number, since it uses as much as digits as its factorization.

4927931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 4927931 is about 2219.8943668562. The cubic root of 4927931 is about 170.1720403689.

Adding to 4927931 its reverse (1397294), we get a square (6325225 = 2515²).

The spelling of 4927931 in words is "four million, nine hundred twenty-seven thousand, nine hundred thirty-one".