51524747 has 2 divisors, whose sum is σ = 51524748. Its totient is φ = 51524746.

The previous prime is 51524743. The next prime is 51524749. The reversal of 51524747 is 74742515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51524747 - 2² = 51524743 is a prime.

Together with 51524749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51524743) 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, 25762373 + 25762374.

It is an arithmetic number, because the mean of its divisors is an integer number (25762374).

Almost surely, 2^51524747 is an apocalyptic number.

51524747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51524747 is an equidigital number, since it uses as much as digits as its factorization.

51524747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 51524747 is about 7178.0740453133. The cubic root of 51524747 is about 372.1105266636.

The spelling of 51524747 in words is "fifty-one million, five hundred twenty-four thousand, seven hundred forty-seven".