63480961 has 2 divisors, whose sum is σ = 63480962. Its totient is φ = 63480960.

The previous prime is 63480929. The next prime is 63480979. The reversal of 63480961 is 16908436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 20657025 = 6544^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 63480961 - 2⁵ = 63480929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63480961.

It is not a weakly prime, because it can be changed into another prime (63480761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31740480 + 31740481.

It is an arithmetic number, because the mean of its divisors is an integer number (31740481).

Almost surely, 2^63480961 is an apocalyptic number.

It is an amenable number.

63480961 is a deficient number, since it is larger than the sum of its proper divisors (1).

63480961 is an equidigital number, since it uses as much as digits as its factorization.

63480961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 63480961 is about 7967.4940225895. The cubic root of 63480961 is about 398.9157323146.

The spelling of 63480961 in words is "sixty-three million, four hundred eighty thousand, nine hundred sixty-one".