537878539 has 4 divisors (see below), whose sum is σ = 586776600. Its totient is φ = 488980480.

The previous prime is 537878519. The next prime is 537878569. The reversal of 537878539 is 935878735.

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

It is a cyclic number.

It is not a de Polignac number, because 537878539 - 2⁵ = 537878507 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 537878539.

It is not an unprimeable number, because it can be changed into a prime (537878519) 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, 24449014 + ... + 24449035.

It is an arithmetic number, because the mean of its divisors is an integer number (146694150).

Almost surely, 2^537878539 is an apocalyptic number.

537878539 is a deficient number, since it is larger than the sum of its proper divisors (48898061).

537878539 is a wasteful number, since it uses less digits than its factorization.

537878539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48898060.

The product of its digits is 6350400, while the sum is 55.

The square root of 537878539 is about 23192.2085839189. The cubic root of 537878539 is about 813.2574907817.

It can be divided in two parts, 53787 and 8539, that added together give a palindrome (62326).

The spelling of 537878539 in words is "five hundred thirty-seven million, eight hundred seventy-eight thousand, five hundred thirty-nine".