63330261 has 16 divisors (see below), whose sum is σ = 86208768. Its totient is φ = 41342400.

The previous prime is 63330259. The next prime is 63330299. The reversal of 63330261 is 16203336.

It is not a de Polignac number, because 63330261 - 2¹ = 63330259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63330251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48955 + ... + 50231.

It is an arithmetic number, because the mean of its divisors is an integer number (5388048).

Almost surely, 2^63330261 is an apocalyptic number.

63330261 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63330261 is a deficient number, since it is larger than the sum of its proper divisors (22878507).

63330261 is a wasteful number, since it uses less digits than its factorization.

63330261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 63330261 is about 7958.0312263775. The cubic root of 63330261 is about 398.5998148394.

Adding to 63330261 its reverse (16203336), we get a palindrome (79533597).

The spelling of 63330261 in words is "sixty-three million, three hundred thirty thousand, two hundred sixty-one".