539280061 has 4 divisors (see below), whose sum is σ = 556676224. Its totient is φ = 521883900.

The previous prime is 539280031. The next prime is 539280067. The reversal of 539280061 is 160082935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160082935 = 5 ⋅32016587.

It is a cyclic number.

It is not a de Polignac number, because 539280061 - 2⁹ = 539279549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539279999 and 539280026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539280067) 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, 8698035 + ... + 8698096.

It is an arithmetic number, because the mean of its divisors is an integer number (139169056).

Almost surely, 2^539280061 is an apocalyptic number.

It is an amenable number.

539280061 is a deficient number, since it is larger than the sum of its proper divisors (17396163).

539280061 is a wasteful number, since it uses less digits than its factorization.

539280061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396162.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 539280061 is about 23222.4042898232. The cubic root of 539280061 is about 813.9632323461.

The spelling of 539280061 in words is "five hundred thirty-nine million, two hundred eighty thousand, sixty-one".