63532061 has 2 divisors, whose sum is σ = 63532062. Its totient is φ = 63532060.

The previous prime is 63532057. The next prime is 63532087. The reversal of 63532061 is 16023536.

It is an a-pointer prime, because the next prime (63532087) can be obtained adding 63532061 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 9803161 = 7330^2 + 3131^2 .

It is a cyclic number.

It is not a de Polignac number, because 63532061 - 2² = 63532057 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 63532061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63552061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31766030 + 31766031.

It is an arithmetic number, because the mean of its divisors is an integer number (31766031).

Almost surely, 2^63532061 is an apocalyptic number.

It is an amenable number.

63532061 is a deficient number, since it is larger than the sum of its proper divisors (1).

63532061 is an equidigital number, since it uses as much as digits as its factorization.

63532061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 63532061 is about 7970.7001574517. The cubic root of 63532061 is about 399.0227414420.

Adding to 63532061 its reverse (16023536), we get a palindrome (79555597).

The spelling of 63532061 in words is "sixty-three million, five hundred thirty-two thousand, sixty-one".