63465487 has 4 divisors (see below), whose sum is σ = 66224880. Its totient is φ = 60706096.

The previous prime is 63465481. The next prime is 63465503. The reversal of 63465487 is 78456436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63465487 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 (63465481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379662 + ... + 1379707.

It is an arithmetic number, because the mean of its divisors is an integer number (16556220).

Almost surely, 2^63465487 is an apocalyptic number.

63465487 is a deficient number, since it is larger than the sum of its proper divisors (2759393).

63465487 is a wasteful number, since it uses less digits than its factorization.

63465487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759392.

The product of its digits is 483840, while the sum is 43.

The square root of 63465487 is about 7966.5228927054. The cubic root of 63465487 is about 398.8833166970.

The spelling of 63465487 in words is "sixty-three million, four hundred sixty-five thousand, four hundred eighty-seven".