63305461 has 2 divisors, whose sum is σ = 63305462. Its totient is φ = 63305460.

The previous prime is 63305449. The next prime is 63305477. The reversal of 63305461 is 16450336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32558436 + 30747025 = 5706^2 + 5545^2 .

It is a cyclic number.

It is not a de Polignac number, because 63305461 - 2¹¹ = 63303413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63305491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31652730 + 31652731.

It is an arithmetic number, because the mean of its divisors is an integer number (31652731).

Almost surely, 2^63305461 is an apocalyptic number.

It is an amenable number.

63305461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63305461 is an equidigital number, since it uses as much as digits as its factorization.

63305461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 63305461 is about 7956.4728994700. The cubic root of 63305461 is about 398.5477777569.

Adding to 63305461 its reverse (16450336), we get a palindrome (79755797).

The spelling of 63305461 in words is "sixty-three million, three hundred five thousand, four hundred sixty-one".