65725783 has 2 divisors, whose sum is σ = 65725784. Its totient is φ = 65725782.

The previous prime is 65725741. The next prime is 65725799. The reversal of 65725783 is 38752756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65725783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65725703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32862891 + 32862892.

It is an arithmetic number, because the mean of its divisors is an integer number (32862892).

Almost surely, 2^65725783 is an apocalyptic number.

65725783 is a deficient number, since it is larger than the sum of its proper divisors (1).

65725783 is an equidigital number, since it uses as much as digits as its factorization.

65725783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 65725783 is about 8107.1439483951. The cubic root of 65725783 is about 403.5635399314.

The spelling of 65725783 in words is "sixty-five million, seven hundred twenty-five thousand, seven hundred eighty-three".