539746505 has 8 divisors (see below), whose sum is σ = 651575232. Its totient is φ = 429210928.

The previous prime is 539746453. The next prime is 539746507. The reversal of 539746505 is 505647935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539746505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539746507) 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, 322367 + ... + 324036.

It is an arithmetic number, because the mean of its divisors is an integer number (81446904).

Almost surely, 2^539746505 is an apocalyptic number.

It is an amenable number.

539746505 is a deficient number, since it is larger than the sum of its proper divisors (111828727).

539746505 is a wasteful number, since it uses less digits than its factorization.

539746505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646575.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 539746505 is about 23232.4450930159. The cubic root of 539746505 is about 814.1978407205.

The spelling of 539746505 in words is "five hundred thirty-nine million, seven hundred forty-six thousand, five hundred five".