52720867 has 2 divisors, whose sum is σ = 52720868. Its totient is φ = 52720866.

The previous prime is 52720831. The next prime is 52720873. The reversal of 52720867 is 76802725.

52720867 is digitally balanced in base 2, 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 52720867 - 2²³ = 44332259 is a prime.

It is not a weakly prime, because it can be changed into another prime (52720067) 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, 26360433 + 26360434.

It is an arithmetic number, because the mean of its divisors is an integer number (26360434).

Almost surely, 2^52720867 is an apocalyptic number.

52720867 is a deficient number, since it is larger than the sum of its proper divisors (1).

52720867 is an equidigital number, since it uses as much as digits as its factorization.

52720867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 52720867 is about 7260.9136477443. The cubic root of 52720867 is about 374.9679783027.

The spelling of 52720867 in words is "fifty-two million, seven hundred twenty thousand, eight hundred sixty-seven".