63540303 has 4 divisors (see below), whose sum is σ = 84720408. Its totient is φ = 42360200.

The previous prime is 63540299. The next prime is 63540317. The reversal of 63540303 is 30304536.

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

It is a cyclic number.

It is not a de Polignac number, because 63540303 - 2² = 63540299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540343) 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, 10590048 + ... + 10590053.

It is an arithmetic number, because the mean of its divisors is an integer number (21180102).

Almost surely, 2^63540303 is an apocalyptic number.

63540303 is a deficient number, since it is larger than the sum of its proper divisors (21180105).

63540303 is a wasteful number, since it uses less digits than its factorization.

63540303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180104.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 63540303 is about 7971.2171592549. The cubic root of 63540303 is about 399.0399957394.

Adding to 63540303 its reverse (30304536), we get a palindrome (93844839).

The spelling of 63540303 in words is "sixty-three million, five hundred forty thousand, three hundred three".