814638541 has 8 divisors (see below), whose sum is σ = 850567680. Its totient is φ = 778751952.

The previous prime is 814638529. The next prime is 814638581. The reversal of 814638541 is 145836418.

814638541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 814638541 - 2²⁹ = 277767629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814638494 and 814638503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814638511) 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, 32215 + ... + 51643.

It is an arithmetic number, because the mean of its divisors is an integer number (106320960).

Almost surely, 2^814638541 is an apocalyptic number.

It is an amenable number.

814638541 is a deficient number, since it is larger than the sum of its proper divisors (35929139).

814638541 is a wasteful number, since it uses less digits than its factorization.

814638541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275.

The product of its digits is 92160, while the sum is 40.

The square root of 814638541 is about 28541.8734668907. The cubic root of 814638541 is about 933.9457517933.

The spelling of 814638541 in words is "eight hundred fourteen million, six hundred thirty-eight thousand, five hundred forty-one".