538514491 has 8 divisors (see below), whose sum is σ = 570677184. Its totient is φ = 506405760.

The previous prime is 538514477. The next prime is 538514507. The reversal of 538514491 is 194415835.

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 538514491 - 2¹⁹ = 537990203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538514401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8061 + ... + 33793.

It is an arithmetic number, because the mean of its divisors is an integer number (71334648).

Almost surely, 2^538514491 is an apocalyptic number.

538514491 is a deficient number, since it is larger than the sum of its proper divisors (32162693).

538514491 is a wasteful number, since it uses less digits than its factorization.

538514491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26981.

The product of its digits is 86400, while the sum is 40.

The square root of 538514491 is about 23205.9150002753. The cubic root of 538514491 is about 813.5778784979.

The spelling of 538514491 in words is "five hundred thirty-eight million, five hundred fourteen thousand, four hundred ninety-one".