63366397 has 4 divisors (see below), whose sum is σ = 63383740. Its totient is φ = 63349056.

The previous prime is 63366383. The next prime is 63366419. The reversal of 63366397 is 79366336.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62394201 + 972196 = 7899^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 63366397 - 2¹¹ = 63364349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63366307) 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 3 ways as a sum of consecutive naturals, for example, 822 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (15845935).

Almost surely, 2^63366397 is an apocalyptic number.

It is an amenable number.

63366397 is a deficient number, since it is larger than the sum of its proper divisors (17343).

63366397 is a wasteful number, since it uses less digits than its factorization.

63366397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342.

The product of its digits is 367416, while the sum is 43.

The square root of 63366397 is about 7960.3013133926. The cubic root of 63366397 is about 398.6756135911.

The spelling of 63366397 in words is "sixty-three million, three hundred sixty-six thousand, three hundred ninety-seven".