537380685 has 24 divisors (see below), whose sum is σ = 933158304. Its totient is φ = 286080480.

The previous prime is 537380681. The next prime is 537380773. The reversal of 537380685 is 586083735.

537380685 is a `hidden beast` number, since 537 + 38 + 0 + 6 + 85 = 666.

It is not a de Polignac number, because 537380685 - 2² = 537380681 is a prime.

It is a super-2 number, since 2×537380685² = 577556001222138450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 537380685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537380681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14730 + ... + 35940.

It is an arithmetic number, because the mean of its divisors is an integer number (38881596).

Almost surely, 2^537380685 is an apocalyptic number.

It is an amenable number.

537380685 is a deficient number, since it is larger than the sum of its proper divisors (395777619).

537380685 is a wasteful number, since it uses less digits than its factorization.

537380685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785 (or 21782 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 537380685 is about 23181.4728824551. The cubic root of 537380685 is about 813.0064994964.

The spelling of 537380685 in words is "five hundred thirty-seven million, three hundred eighty thousand, six hundred eighty-five".