537390609 has 16 divisors (see below), whose sum is σ = 821212032. Its totient is φ = 306206208.

The previous prime is 537390571. The next prime is 537390617. The reversal of 537390609 is 906093735.

It is not a de Polignac number, because 537390609 - 2⁷ = 537390481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (537390209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28834 + ... + 43659.

It is an arithmetic number, because the mean of its divisors is an integer number (51325752).

Almost surely, 2^537390609 is an apocalyptic number.

It is an amenable number.

537390609 is a deficient number, since it is larger than the sum of its proper divisors (283821423).

537390609 is a wasteful number, since it uses less digits than its factorization.

537390609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72856.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 537390609 is about 23181.6869317140. The cubic root of 537390609 is about 813.0115041589.

The spelling of 537390609 in words is "five hundred thirty-seven million, three hundred ninety thousand, six hundred nine".