538017971 has 4 divisors (see below), whose sum is σ = 538552200. Its totient is φ = 537483744.

The previous prime is 538017967. The next prime is 538018007. The reversal of 538017971 is 179710835.

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 538017971 - 2² = 538017967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538017901) 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, 265601 + ... + 267618.

It is an arithmetic number, because the mean of its divisors is an integer number (134638050).

Almost surely, 2^538017971 is an apocalyptic number.

538017971 is a deficient number, since it is larger than the sum of its proper divisors (534229).

538017971 is a wasteful number, since it uses less digits than its factorization.

538017971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534228.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 538017971 is about 23195.2143986642. The cubic root of 538017971 is about 813.3277571544.

The spelling of 538017971 in words is "five hundred thirty-eight million, seventeen thousand, nine hundred seventy-one".