539742061 has 8 divisors (see below), whose sum is σ = 572664384. Its totient is φ = 506950080.

The previous prime is 539742053. The next prime is 539742067. The reversal of 539742061 is 160247935.

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 539742061 - 2³ = 539742053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 539742061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539742067) 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, 23985 + ... + 40678.

It is an arithmetic number, because the mean of its divisors is an integer number (71583048).

Almost surely, 2^539742061 is an apocalyptic number.

It is an amenable number.

539742061 is a deficient number, since it is larger than the sum of its proper divisors (32922323).

539742061 is a wasteful number, since it uses less digits than its factorization.

539742061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65171.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 539742061 is about 23232.3494507120. The cubic root of 539742061 is about 814.1956061498.

Adding to 539742061 its reverse (160247935), we get a palindrome (699989996).

The spelling of 539742061 in words is "five hundred thirty-nine million, seven hundred forty-two thousand, sixty-one".