63325491 has 4 divisors (see below), whose sum is σ = 84433992. Its totient is φ = 42216992.

The previous prime is 63325487. The next prime is 63325501. The reversal of 63325491 is 19452336.

63325491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63325491 - 2² = 63325487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63325411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554246 + ... + 10554251.

It is an arithmetic number, because the mean of its divisors is an integer number (21108498).

Almost surely, 2^63325491 is an apocalyptic number.

63325491 is a deficient number, since it is larger than the sum of its proper divisors (21108501).

63325491 is a wasteful number, since it uses less digits than its factorization.

63325491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21108500.

The product of its digits is 19440, while the sum is 33.

The square root of 63325491 is about 7957.7315234934. The cubic root of 63325491 is about 398.5898071494.

The spelling of 63325491 in words is "sixty-three million, three hundred twenty-five thousand, four hundred ninety-one".