63231061 has 4 divisors (see below), whose sum is σ = 64773324. Its totient is φ = 61688800.

The previous prime is 63231037. The next prime is 63231073. The reversal of 63231061 is 16013236.

63231061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 59582961 = 1910^2 + 7719^2 .

It is a cyclic number.

It is not a de Polignac number, because 63231061 - 2¹⁵ = 63198293 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63231361) 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 3 ways as a sum of consecutive naturals, for example, 771070 + ... + 771151.

It is an arithmetic number, because the mean of its divisors is an integer number (16193331).

Almost surely, 2^63231061 is an apocalyptic number.

It is an amenable number.

63231061 is a deficient number, since it is larger than the sum of its proper divisors (1542263).

63231061 is a wasteful number, since it uses less digits than its factorization.

63231061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542262.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 63231061 is about 7951.7960864197. The cubic root of 63231061 is about 398.3915849210.

Adding to 63231061 its reverse (16013236), we get a palindrome (79244297).

The spelling of 63231061 in words is "sixty-three million, two hundred thirty-one thousand, sixty-one".