63148487 has 4 divisors (see below), whose sum is σ = 64688736. Its totient is φ = 61608240.

The previous prime is 63148483. The next prime is 63148499. The reversal of 63148487 is 78484136.

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

It is not a de Polignac number, because 63148487 - 2² = 63148483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1540207 = 63148487 / (6 + 3 + 1 + 4 + 8 + 4 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63148483) 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, 770063 + ... + 770144.

It is an arithmetic number, because the mean of its divisors is an integer number (16172184).

Almost surely, 2^63148487 is an apocalyptic number.

63148487 is a deficient number, since it is larger than the sum of its proper divisors (1540249).

63148487 is a wasteful number, since it uses less digits than its factorization.

63148487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540248.

The product of its digits is 129024, while the sum is 41.

The square root of 63148487 is about 7946.6022298842. The cubic root of 63148487 is about 398.2180883479.

The spelling of 63148487 in words is "sixty-three million, one hundred forty-eight thousand, four hundred eighty-seven".