63480965 has 4 divisors (see below), whose sum is σ = 76177164. Its totient is φ = 50784768.

The previous prime is 63480961. The next prime is 63480979. The reversal of 63480965 is 56908436.

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 32467204 + 31013761 = 5698^2 + 5569^2 .

It is a cyclic number.

It is not a de Polignac number, because 63480965 - 2² = 63480961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63480961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348092 + ... + 6348101.

It is an arithmetic number, because the mean of its divisors is an integer number (19044291).

Almost surely, 2^63480965 is an apocalyptic number.

It is an amenable number.

63480965 is a deficient number, since it is larger than the sum of its proper divisors (12696199).

63480965 is a wasteful number, since it uses less digits than its factorization.

63480965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696198.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 63480965 is about 7967.4942736095. The cubic root of 63480965 is about 398.9157406933.

The spelling of 63480965 in words is "sixty-three million, four hundred eighty thousand, nine hundred sixty-five".