65263951 has 2 divisors, whose sum is σ = 65263952. Its totient is φ = 65263950.

The previous prime is 65263931. The next prime is 65263987. The reversal of 65263951 is 15936256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65263951 - 2⁹ = 65263439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65263951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65263931) 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, 32631975 + 32631976.

It is an arithmetic number, because the mean of its divisors is an integer number (32631976).

Almost surely, 2^65263951 is an apocalyptic number.

65263951 is a deficient number, since it is larger than the sum of its proper divisors (1).

65263951 is an equidigital number, since it uses as much as digits as its factorization.

65263951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 65263951 is about 8078.6107097693. The cubic root of 65263951 is about 402.6160842081.

The spelling of 65263951 in words is "sixty-five million, two hundred sixty-three thousand, nine hundred fifty-one".