539742052 has 6 divisors (see below), whose sum is σ = 944548598. Its totient is φ = 269871024.

The previous prime is 539742043. The next prime is 539742053. The reversal of 539742052 is 250247935.

It can be written as a sum of positive squares in only one way, i.e., 516471076 + 23270976 = 22726^2 + 4824^2 .

It is not an unprimeable number, because it can be changed into a prime (539742053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67467753 + ... + 67467760.

Almost surely, 2^539742052 is an apocalyptic number.

It is an amenable number.

539742052 is a deficient number, since it is larger than the sum of its proper divisors (404806546).

539742052 is a wasteful number, since it uses less digits than its factorization.

539742052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134935517 (or 134935515 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 539742052 is about 23232.3492570166. The cubic root of 539742052 is about 814.1956016243.

Adding to 539742052 its reverse (250247935), we get a palindrome (789989987).

The spelling of 539742052 in words is "five hundred thirty-nine million, seven hundred forty-two thousand, fifty-two".