63240961 has 16 divisors (see below), whose sum is σ = 77856768. Its totient is φ = 50173200.

The previous prime is 63240923. The next prime is 63240973. The reversal of 63240961 is 16904236.

63240961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63240961 - 2⁹ = 63240449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63240361) 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 15 ways as a sum of consecutive naturals, for example, 1345 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (4866048).

Almost surely, 2^63240961 is an apocalyptic number.

It is an amenable number.

63240961 is a deficient number, since it is larger than the sum of its proper divisors (14615807).

63240961 is a wasteful number, since it uses less digits than its factorization.

63240961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 63240961 is about 7952.4185629279. The cubic root of 63240961 is about 398.4123757096.

The spelling of 63240961 in words is "sixty-three million, two hundred forty thousand, nine hundred sixty-one".