63091248 has 120 divisors (see below), whose sum is σ = 188220096. Its totient is φ = 18057600.

The previous prime is 63091243. The next prime is 63091261. The reversal of 63091248 is 84219036.

It is a Cunningham number, because it is equal to 7943²-1.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (63091243) 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 23 ways as a sum of consecutive naturals, for example, 190443 + ... + 190773.

Almost surely, 2^63091248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63091248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94110048).

63091248 is an abundant number, since it is smaller than the sum of its proper divisors (125128848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63091248 is a wasteful number, since it uses less digits than its factorization.

63091248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 63091248 is about 7942.9999370515. Note that the first 4 decimals coincide. The cubic root of 63091248 is about 398.0977344721.

It can be divided in two parts, 6309 and 1248, that added together give a palindrome (7557).

The spelling of 63091248 in words is "sixty-three million, ninety-one thousand, two hundred forty-eight".