63365013 has 6 divisors (see below), whose sum is σ = 91527254. Its totient is φ = 42243336.

The previous prime is 63365009. The next prime is 63365021. The reversal of 63365013 is 31056336.

63365013 is a `hidden beast` number, since 6 + 3 + 3 + 650 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 13704804 = 7047^2 + 3702^2 .

It is not a de Polignac number, because 63365013 - 2² = 63365009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63365033) 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 in 5 ways as a sum of consecutive naturals, for example, 3520270 + ... + 3520287.

Almost surely, 2^63365013 is an apocalyptic number.

It is an amenable number.

63365013 is a deficient number, since it is larger than the sum of its proper divisors (28162241).

63365013 is a wasteful number, since it uses less digits than its factorization.

63365013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040563 (or 7040560 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 63365013 is about 7960.2143815352. The cubic root of 63365013 is about 398.6727110482.

The spelling of 63365013 in words is "sixty-three million, three hundred sixty-five thousand, thirteen".