63388361 has 4 divisors (see below), whose sum is σ = 64462800. Its totient is φ = 62313924.

The previous prime is 63388343. The next prime is 63388379. The reversal of 63388361 is 16388336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (63388343) and next prime (63388379).

It is a cyclic number.

It is not a de Polignac number, because 63388361 - 2¹⁴ = 63371977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63388561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537131 + ... + 537248.

It is an arithmetic number, because the mean of its divisors is an integer number (16115700).

Almost surely, 2^63388361 is an apocalyptic number.

It is an amenable number.

63388361 is a deficient number, since it is larger than the sum of its proper divisors (1074439).

63388361 is a wasteful number, since it uses less digits than its factorization.

63388361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074438.

The product of its digits is 62208, while the sum is 38.

The square root of 63388361 is about 7961.6807898835. The cubic root of 63388361 is about 398.7216711235.

The spelling of 63388361 in words is "sixty-three million, three hundred eighty-eight thousand, three hundred sixty-one".