65648959 has 2 divisors, whose sum is σ = 65648960. Its totient is φ = 65648958.

The previous prime is 65648941. The next prime is 65648983. The reversal of 65648959 is 95984656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65648959 - 2¹⁵ = 65616191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65648909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32824479 + 32824480.

It is an arithmetic number, because the mean of its divisors is an integer number (32824480).

Almost surely, 2^65648959 is an apocalyptic number.

65648959 is a deficient number, since it is larger than the sum of its proper divisors (1).

65648959 is an equidigital number, since it uses as much as digits as its factorization.

65648959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 52.

The square root of 65648959 is about 8102.4045196472. The cubic root of 65648959 is about 403.4062426916.

The spelling of 65648959 in words is "sixty-five million, six hundred forty-eight thousand, nine hundred fifty-nine".