63043391 has 8 divisors (see below), whose sum is σ = 65917824. Its totient is φ = 60180120.

The previous prime is 63043381. The next prime is 63043411. The reversal of 63043391 is 19334036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63043391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63043381) 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, 10076 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (8239728).

Almost surely, 2^63043391 is an apocalyptic number.

63043391 is a deficient number, since it is larger than the sum of its proper divisors (2874433).

63043391 is a wasteful number, since it uses less digits than its factorization.

63043391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 63043391 is about 7939.9868387800. The cubic root of 63043391 is about 397.9970518203.

The spelling of 63043391 in words is "sixty-three million, forty-three thousand, three hundred ninety-one".