51526457 has 2 divisors, whose sum is σ = 51526458. Its totient is φ = 51526456.

The previous prime is 51526451. The next prime is 51526511. The reversal of 51526457 is 75462515.

51526457 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 can be written as a sum of positive squares in only one way, i.e., 29474041 + 22052416 = 5429^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 51526457 - 2¹⁰ = 51525433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51526451) 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, 25763228 + 25763229.

It is an arithmetic number, because the mean of its divisors is an integer number (25763229).

Almost surely, 2^51526457 is an apocalyptic number.

It is an amenable number.

51526457 is a deficient number, since it is larger than the sum of its proper divisors (1).

51526457 is an equidigital number, since it uses as much as digits as its factorization.

51526457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 51526457 is about 7178.1931570556. The cubic root of 51526457 is about 372.1146431448.

The spelling of 51526457 in words is "fifty-one million, five hundred twenty-six thousand, four hundred fifty-seven".