63490403 has 8 divisors (see below), whose sum is σ = 65256048. Its totient is φ = 61737984.

The previous prime is 63490391. The next prime is 63490411. The reversal of 63490403 is 30409436.

It is a happy number.

63490403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63490403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63490423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6851 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (8157006).

Almost surely, 2^63490403 is an apocalyptic number.

63490403 is a deficient number, since it is larger than the sum of its proper divisors (1765645).

63490403 is a wasteful number, since it uses less digits than its factorization.

63490403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63490403 is about 7968.0865331647. The cubic root of 63490403 is about 398.9355092449.

Adding to 63490403 its reverse (30409436), we get a palindrome (93899839).

The spelling of 63490403 in words is "sixty-three million, four hundred ninety thousand, four hundred three".