51924931 has 2 divisors, whose sum is σ = 51924932. Its totient is φ = 51924930.

The previous prime is 51924923. The next prime is 51924941. The reversal of 51924931 is 13942915.

51924931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51924931 - 2³ = 51924923 is a prime.

It is a super-2 number, since 2×51924931² = 5392396918709522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51924941) 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, 25962465 + 25962466.

It is an arithmetic number, because the mean of its divisors is an integer number (25962466).

Almost surely, 2^51924931 is an apocalyptic number.

51924931 is a deficient number, since it is larger than the sum of its proper divisors (1).

51924931 is an equidigital number, since it uses as much as digits as its factorization.

51924931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 51924931 is about 7205.8955723768. The cubic root of 51924931 is about 373.0714164370.

The spelling of 51924931 in words is "fifty-one million, nine hundred twenty-four thousand, nine hundred thirty-one".