63982403 has 2 divisors, whose sum is σ = 63982404. Its totient is φ = 63982402.

The previous prime is 63982393. The next prime is 63982421. The reversal of 63982403 is 30428936.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63982403 - 2¹² = 63978307 is a prime.

It is not a weakly prime, because it can be changed into another prime (63982423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31991201 + 31991202.

It is an arithmetic number, because the mean of its divisors is an integer number (31991202).

Almost surely, 2^63982403 is an apocalyptic number.

63982403 is a deficient number, since it is larger than the sum of its proper divisors (1).

63982403 is an equidigital number, since it uses as much as digits as its factorization.

63982403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 63982403 is about 7998.9001118904. The cubic root of 63982403 is about 399.9633362229.

The spelling of 63982403 in words is "sixty-three million, nine hundred eighty-two thousand, four hundred three".