539037973 has 4 divisors (see below), whose sum is σ = 539148748. Its totient is φ = 538927200.

The previous prime is 539037953. The next prime is 539037977. The reversal of 539037973 is 379730935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157929489 + 381108484 = 12567^2 + 19522^2 .

It is a cyclic number.

It is not a de Polignac number, because 539037973 - 2²⁵ = 505483541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539037977) 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, 47736 + ... + 57937.

It is an arithmetic number, because the mean of its divisors is an integer number (134787187).

Almost surely, 2^539037973 is an apocalyptic number.

It is an amenable number.

539037973 is a deficient number, since it is larger than the sum of its proper divisors (110775).

539037973 is a wasteful number, since it uses less digits than its factorization.

539037973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110774.

The product of its (nonzero) digits is 535815, while the sum is 46.

The square root of 539037973 is about 23217.1913245336. The cubic root of 539037973 is about 813.8414154779.

The spelling of 539037973 in words is "five hundred thirty-nine million, thirty-seven thousand, nine hundred seventy-three".