63241381 has 8 divisors (see below), whose sum is σ = 73021760. Its totient is φ = 53647488.

The previous prime is 63241379. The next prime is 63241391. The reversal of 63241381 is 18314236.

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 63241381 - 2¹ = 63241379 is a prime.

It is a super-2 number, since 2×63241381² = 7998944541574322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63241391) 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, 45891 + ... + 47248.

It is an arithmetic number, because the mean of its divisors is an integer number (9127720).

Almost surely, 2^63241381 is an apocalyptic number.

It is an amenable number.

63241381 is a deficient number, since it is larger than the sum of its proper divisors (9780379).

63241381 is an equidigital number, since it uses as much as digits as its factorization.

63241381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93243.

The product of its digits is 3456, while the sum is 28.

The square root of 63241381 is about 7952.4449699448. Note that the first 3 decimals coincide. The cubic root of 63241381 is about 398.4132576951.

The spelling of 63241381 in words is "sixty-three million, two hundred forty-one thousand, three hundred eighty-one".