539292161 has 8 divisors (see below), whose sum is σ = 549684744. Its totient is φ = 528998400.

The previous prime is 539292133. The next prime is 539292163. The reversal of 539292161 is 161292935.

It can be written as a sum of positive squares in 4 ways, for example, as 25816561 + 513475600 = 5081^2 + 22660^2 .

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 539292161 - 2⁶ = 539292097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539292163) 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, 13640 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (68710593).

Almost surely, 2^539292161 is an apocalyptic number.

It is an amenable number.

539292161 is a deficient number, since it is larger than the sum of its proper divisors (10392583).

539292161 is a wasteful number, since it uses less digits than its factorization.

539292161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49411.

The product of its digits is 29160, while the sum is 38.

The square root of 539292161 is about 23222.6648126351. The cubic root of 539292161 is about 813.9693200188.

The spelling of 539292161 in words is "five hundred thirty-nine million, two hundred ninety-two thousand, one hundred sixty-one".