63348591 has 8 divisors (see below), whose sum is σ = 85212720. Its totient is φ = 41858432.

The previous prime is 63348581. The next prime is 63348619. The reversal of 63348591 is 19584336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63348591 - 2⁵ = 63348559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63348521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93096 + ... + 93773.

It is an arithmetic number, because the mean of its divisors is an integer number (10651590).

Almost surely, 2^63348591 is an apocalyptic number.

63348591 is a deficient number, since it is larger than the sum of its proper divisors (21864129).

63348591 is a wasteful number, since it uses less digits than its factorization.

63348591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186985.

The product of its digits is 77760, while the sum is 39.

The square root of 63348591 is about 7959.1828098116. The cubic root of 63348591 is about 398.6382673880.

The spelling of 63348591 in words is "sixty-three million, three hundred forty-eight thousand, five hundred ninety-one".