65372563 has 2 divisors, whose sum is σ = 65372564. Its totient is φ = 65372562.

The previous prime is 65372561. The next prime is 65372591. The reversal of 65372563 is 36527356.

It is a happy number.

65372563 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 65372563 - 2¹ = 65372561 is a prime.

Together with 65372561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65372561) 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, 32686281 + 32686282.

It is an arithmetic number, because the mean of its divisors is an integer number (32686282).

Almost surely, 2^65372563 is an apocalyptic number.

65372563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65372563 is an equidigital number, since it uses as much as digits as its factorization.

65372563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 37.

The square root of 65372563 is about 8085.3301107623. The cubic root of 65372563 is about 402.8393044393.

The spelling of 65372563 in words is "sixty-five million, three hundred seventy-two thousand, five hundred sixty-three".