65955493 has 2 divisors, whose sum is σ = 65955494. Its totient is φ = 65955492.

The previous prime is 65955473. The next prime is 65955503. The reversal of 65955493 is 39455956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 26604964 = 6273^2 + 5158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65955493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65955413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32977746 + 32977747.

It is an arithmetic number, because the mean of its divisors is an integer number (32977747).

Almost surely, 2^65955493 is an apocalyptic number.

It is an amenable number.

65955493 is a deficient number, since it is larger than the sum of its proper divisors (1).

65955493 is an equidigital number, since it uses as much as digits as its factorization.

65955493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729000, while the sum is 46.

The square root of 65955493 is about 8121.2987261891. The cubic root of 65955493 is about 404.0331414991.

The spelling of 65955493 in words is "sixty-five million, nine hundred fifty-five thousand, four hundred ninety-three".