63001961 has 8 divisors (see below), whose sum is σ = 69255648. Its totient is φ = 56836000.

The previous prime is 63001927. The next prime is 63001963. The reversal of 63001961 is 16910036.

63001961 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63001961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63001961.

It is not an unprimeable number, because it can be changed into a prime (63001963) 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, 20420 + ... + 23301.

It is an arithmetic number, because the mean of its divisors is an integer number (8656956).

Almost surely, 2^63001961 is an apocalyptic number.

It is an amenable number.

63001961 is a deficient number, since it is larger than the sum of its proper divisors (6253687).

63001961 is a wasteful number, since it uses less digits than its factorization.

63001961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43863.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 63001961 is about 7937.3774636211. The cubic root of 63001961 is about 397.9098492818.

Adding to 63001961 its reverse (16910036), we get a palindrome (79911997).

It can be divided in two parts, 63001 and 961, that multiplied together give a square (60543961 = 7781²).

The spelling of 63001961 in words is "sixty-three million, one thousand, nine hundred sixty-one".