537840565 has 16 divisors (see below), whose sum is σ = 650821248. Its totient is φ = 426678336.

The previous prime is 537840521. The next prime is 537840571. The reversal of 537840565 is 565048735.

It is a cyclic number.

It is not a de Polignac number, because 537840565 - 2⁹ = 537840053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555712 + ... + 556678.

It is an arithmetic number, because the mean of its divisors is an integer number (40676328).

Almost surely, 2^537840565 is an apocalyptic number.

It is an amenable number.

537840565 is a deficient number, since it is larger than the sum of its proper divisors (112980683).

537840565 is a wasteful number, since it uses less digits than its factorization.

537840565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 537840565 is about 23191.3898893533. The cubic root of 537840565 is about 813.2383517850.

The spelling of 537840565 in words is "five hundred thirty-seven million, eight hundred forty thousand, five hundred sixty-five".