63240261 has 8 divisors (see below), whose sum is σ = 96366144. Its totient is φ = 36137280.

The previous prime is 63240257. The next prime is 63240263. The reversal of 63240261 is 16204236.

63240261 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 not a de Polignac number, because 63240261 - 2² = 63240257 is a prime.

It is a super-2 number, since 2×63240261² = 7998661222696242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63240263) 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, 1505700 + ... + 1505741.

It is an arithmetic number, because the mean of its divisors is an integer number (12045768).

Almost surely, 2^63240261 is an apocalyptic number.

It is an amenable number.

63240261 is a deficient number, since it is larger than the sum of its proper divisors (33125883).

63240261 is a wasteful number, since it uses less digits than its factorization.

63240261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011451.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 63240261 is about 7952.3745510382. The cubic root of 63240261 is about 398.4109057252.

Adding to 63240261 its reverse (16204236), we get a palindrome (79444497).

The spelling of 63240261 in words is "sixty-three million, two hundred forty thousand, two hundred sixty-one".