63093491 has 4 divisors (see below), whose sum is σ = 63186552. Its totient is φ = 63000432.

The previous prime is 63093487. The next prime is 63093497. The reversal of 63093491 is 19439036.

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 63093491 - 2² = 63093487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63093497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45506 + ... + 46871.

It is an arithmetic number, because the mean of its divisors is an integer number (15796638).

Almost surely, 2^63093491 is an apocalyptic number.

63093491 is a deficient number, since it is larger than the sum of its proper divisors (93061).

63093491 is an equidigital number, since it uses as much as digits as its factorization.

63093491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93060.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 63093491 is about 7943.1411293014. The cubic root of 63093491 is about 398.1024520976.

The spelling of 63093491 in words is "sixty-three million, ninety-three thousand, four hundred ninety-one".