63148291 has 4 divisors (see below), whose sum is σ = 63447784. Its totient is φ = 62848800.

The previous prime is 63148279. The next prime is 63148301. The reversal of 63148291 is 19284136.

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

It is a cyclic number.

It is not a de Polignac number, because 63148291 - 2¹¹ = 63146243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63148201) 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, 149430 + ... + 149851.

It is an arithmetic number, because the mean of its divisors is an integer number (15861946).

Almost surely, 2^63148291 is an apocalyptic number.

63148291 is a deficient number, since it is larger than the sum of its proper divisors (299493).

63148291 is a wasteful number, since it uses less digits than its factorization.

63148291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299492.

The product of its digits is 10368, while the sum is 34.

The square root of 63148291 is about 7946.5898975598. The cubic root of 63148291 is about 398.2176763516.

The spelling of 63148291 in words is "sixty-three million, one hundred forty-eight thousand, two hundred ninety-one".