538941081 has 32 divisors (see below), whose sum is σ = 837160960. Its totient is φ = 302050944.

The previous prime is 538941041. The next prime is 538941097. The reversal of 538941081 is 180149835.

It is not a de Polignac number, because 538941081 - 2¹⁰ = 538940057 is a prime.

It is a super-2 number, since 2×538941081² = 580914977578897122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538941041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269421 + ... + 271413.

It is an arithmetic number, because the mean of its divisors is an integer number (26161280).

Almost surely, 2^538941081 is an apocalyptic number.

It is an amenable number.

538941081 is a deficient number, since it is larger than the sum of its proper divisors (298219879).

538941081 is a wasteful number, since it uses less digits than its factorization.

538941081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 538941081 is about 23215.1045873156. The cubic root of 538941081 is about 813.7926499292.

The spelling of 538941081 in words is "five hundred thirty-eight million, nine hundred forty-one thousand, eighty-one".