538025081 has 16 divisors (see below), whose sum is σ = 613224000. Its totient is φ = 467544000.

The previous prime is 538025009. The next prime is 538025087. The reversal of 538025081 is 180520835.

It is a happy number.

It is not a de Polignac number, because 538025081 - 2¹⁸ = 537762937 is a prime.

It is a super-2 number, since 2×538025081² = 578941975570113122, 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 (538025087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23870 + ... + 40568.

It is an arithmetic number, because the mean of its divisors is an integer number (38326500).

Almost surely, 2^538025081 is an apocalyptic number.

It is an amenable number.

538025081 is a deficient number, since it is larger than the sum of its proper divisors (75198919).

538025081 is a wasteful number, since it uses less digits than its factorization.

538025081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 538025081 is about 23195.3676625312. The cubic root of 538025081 is about 813.3313398940.

The spelling of 538025081 in words is "five hundred thirty-eight million, twenty-five thousand, eighty-one".