65900953 has 2 divisors, whose sum is σ = 65900954. Its totient is φ = 65900952.

The previous prime is 65900951. The next prime is 65900977. The reversal of 65900953 is 35900956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65076489 + 824464 = 8067^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 65900953 - 2¹ = 65900951 is a prime.

Together with 65900951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65900951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32950476 + 32950477.

It is an arithmetic number, because the mean of its divisors is an integer number (32950477).

Almost surely, 2^65900953 is an apocalyptic number.

It is an amenable number.

65900953 is a deficient number, since it is larger than the sum of its proper divisors (1).

65900953 is an equidigital number, since it uses as much as digits as its factorization.

65900953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 65900953 is about 8117.9401944089. The cubic root of 65900953 is about 403.9217429214.

The spelling of 65900953 in words is "sixty-five million, nine hundred thousand, nine hundred fifty-three".